AUTHOR INDEX -...

AUTHOR INDEXINDUSTRIAL AND ENGINEERING CHEMISTRY

ANALYTICAL EDITION

VOLUME 3— 1931

A D D L E S T O N E , J. A ., a nd F xsii, F . H . Un^t Coal Studies on Som eVirginia C oa ls ........................................................................................................ 155

A k e r l o f , G o st a , an d F o o t e , H . W . L ow -Tem perature T h erm ostat.. 389A l b e r t o n i, G . J. N ew A utographic M achine for Testing Tensile

Properties o f R u b b e r ............................................................................. 236A l d r ic h , E. W . Solubility o f W ater in A viation G asolines....................... 348A le s sa n d r o n i, H. V ., C l iff o r d , G . E ., W il k e n s , G. A ., H ix s o n , A.

W ., a nd W o r k , L . T . A pparatus for Experim ental P yrolyticProdu ction o f D iph en yl........................................................................................ 289

A l ld re d g k , S. M ., a n d Scott , W . W . Investigation o f Am m oniumA cetate Separation o f Sulfates of Lead, Barium , and C alcium 32

A l l e n , W . F. Accurate^ and A daptable M icro-K jeld ah l M ethod ofN itrogen D eterm ination ................................................................................. 239

A l s b e r g , C . L ., C o o k , W . H ., a nd G r if f in g , E . P. M ill for SmallSam ples....................................................................................................................... 102

A m b l e r , J. A . Im purities in W hite Sugars. I l l — D eterm ination o fLabile O rganic Sulfur . .................................................................... 341

a n d B y a l l , S. Im purities in W hite Sugars. I— Determ inationof Phosphorus........................................................................................................ 136

M easurem ent o f C o lor in Solutions o f W hite S ugars............................... 135S n id e r , J. B ., a n d B y a l l , S. Im purities in W hite Sugars. I I—

D eterm ination o f Sulfates, Sulfites, and A ldehyde-Sulfites.................... 339A n d r e w s , J. R . V olum etric B arium Chrom ate M ethod for Sulfates.. . 361A n d r e w s , R ., an d K e s t e r , E . B . Stillhead for L aboratory Colum ns. 373A n sb a c h e r , St e f a n , R e m in g to n , R . E ., an d C u lp , F. B. C opper

D eterm ination in O rganic M a tte r ............................................................ 314

B A IL A R , J. C ., JR . C om parison o f Solubilities o f Calcium andStrontium /»-Brom obenzoates in A cetone-W ater M ix tu res.................... 362

B alc h , R . T . M easurem ent o f T u rb id ity with a Spectrophotom eter. . . 124B e a r d , L. C ., J r ., a n d R k iff , O. M . A p plication o f O xalic A cid—

U ranyl A cetate A ctinom eter to M easurem ent o f Sunlight In ten ­sity in C onnection w ith Photochem ical Changes in G asoline.............. 280

B e n so n , H . K ., a n d H ic k s , J. F. G ., Jr . # Proposed M odification o f O xygen Consum ed M eth od for D eterm ination o f Sea W ater Pollu­tion ......................................................................................................................... 30

B it t in g , C . D ., Pic c a r d , J., an d P e t e r s o n , E . G . D eterm ination o f O xides o f N itrogen (except N itrous Oxide) in Low Concentration.[See Ind. E n g . C hem ., Anal. Ed ., 2, 294 (1930) ] ............... 225

B l a c e t , F . E ., a n d L e ig h t o n , P . A . D ry M ethod o f M icroanalysiso f G ases.................................................................................................................... 266

B l a n k , E . W . D ev ice for E stim ation o f D ensity o f Gems and SmallA m ounts o f S olid s ................................................................................. 9

B l a t c h l e y , W . H . E lim ination o f Sulfur in C arbon D eterm inationsb y D irect C om bu stion .................................................................................. 13

B o l l e n , W . B. Im proved H ydrogen-E lectrode Cell for D eterm ina­tion o f p H ................................................................................................. 203

B o n n a r , R . U ., a n d T h o m pson , T . G. Buffer C apacity o f Sea W a ter .. 393B o n n e r , W . D ., a n d R o m e y n , H e n d r ic k , J r . O xidation o f Ferrous

Iron b y Iodine in Presence o f Phosphate and N on-E xistence o fF erriphosphate C om plex ....................................................................................... 85

B o y d , J. 1L, Jr ., a nd O b e r se id e r , J. L . E ffect o f L ight on D eter­m ination o f E th y len e .........................._...........................■.••••........................ *23

B r a d l e y , T . F . M ethods for D etection and IdentiBcation o f S yn ­th etic R esin s.................................................. 304

B r o p h y , D . H . E lectro lytic D eterm ination o f C o b a lt ........ 363B r o w n , D . J., M oss , J. A ., a nd W il lia m s , J. B . D eterm ination of

Lead as Chrom ate in Presence o f P erchloric A c id ................. 134B u sh , M . T ., a nd Sc h w a r t z , A . M . F low D ivider for Fractionation

under Dim inished Pressure........................................................ V.................. 138B u s w b l l , A . M ., a nd P e a r so n , E . L . Sludge R ipeness Studies 359B y a l l , S., an d A m b le r , J. A . Im purities in W hite Sugars. I—

D eterm ination o f Phosphorus................; ..................................................... 136M easurem ent o f C olor in Solutions o f W hite Sugars . .........; ..................... 135A m b l e r , J. A ., an d Sn id e r , J. B . Im purities in W hite Sugars.

I I — D eterm ination o f Sulfates, Sulfites, and Aldehyde-Sulfites 339

C A R T E R , R . H . D eterm ination o f B arium Fluosilicate SprayR esid u e ..................................................................................................................... 146

C a ssa r , H . A . Sim ple L a boratory A u toclave .................................................. 197C h a p m a n , H . D . N otes on Use o f Glass C olor Standards for D e ­

term ination o f Phosphorus b y D eniges C olorim etric M ethod . . . . . . 282C h u , T . L ., a n d H a n , J. E. S, Benzidine M eth od for D eterm ination

o f A cetic A cid in Lead A ce ta te ........................................................................ 379C l a r k e , B . L ., W o o te n , L . A ., a n d C o m pt o n , K . G. Potentiom etric

T itration in N on-A queous Solutions. I— D ifferential M ethod forD eterm ining Oil A c id ity .................................... t. ............................... - - 321

C l a r k e , L o y a l , a n d D a v id so n , J. M . R apid V olum etric M ethodfo r D eterm ination o f P otassium .................................................................... 324

C l if f o r d , G . E ., W il k e n s , G. A ., H ix s o n , A . W ., W o r k , L. T ., and A l e s sa n d r o n i, H . V . A pparatus for Experim ental P yrolyticProdu ction o f D ip h en y l ;• •........•.................. 289

C o l l in s , G . W . Irregularities in Sodium D eterm ination b y SodiumSulfate M e th o d . ................... ; • 291

C o l l in s , W . D ., et al. R ecom m ended Specifications for A nalyticalR eagent C hem icals................................................... 221

C o m pt o n , K . G ., C l a r k e , B . L ., a n d W o o te n , L . A . Potentiom etric T itra tion in N on-A queous Solutions. I— D ifferential M ethod forD eterm ining Oil A c id ity ................................................................ 321

C o o k , W . H ., G r ip p in g , E . P ., a n d A l sb e r g , C . L . M ill for SmallS am ples.................................................................. 102

C o o n s , C . C . Continuous M easurem ent o f p H w ith Q uinhydroneE lectrodes................................................................................................................ 402

Co r n w e l l , R . T . K . M icro-A bsorption Tu be with M ercu ry S e a ls .. . . 4C r a ig , R o d e r ic k , a n d K ir k , P . L . Im proved T ech n ic for M icro-

gravim etric A n alysis.................................................................................... 345C r a n d a l l , G . S ., D a v is , H . S., a nd H ig b e e , W . E ., J r . Problem s in

Estim ation o f U nsaturated H ydrocarbons in Gases. I l l — Som e F actors in B rom ination w ith Potassium B rom ide-B rom ate M ix ­tu re ...................................................................................................................... 108

C u l p , F . B ., A n sb ac h e r , St e f a n , a nd R e m in g to n , R . E . CopperD eterm ination in O rganic M a tter ................. 314

C u n n in g h a m , T . R . D eterm ination o f Alum inum in Ferrochrom htmand Chrom ium M e ta l................................................................................. 103

a n d H a m n b r , H . L . R apid C olorim etric M ethod for D eterm inationo f M olybdenum in Plain C arbon and A lloy Steels ............................ 106

a n d P r ic e , R . J. D eterm ination o f Z ircon ium in Plain C arbon and A lloy Steels...................................................................................................... 105

D A N IE L S , A. S. D ish for T ox ic ity T ests .................................................. 358D a v e n p o r t , J. E ., a n d E v a n s , R . N . Potentiom etric D eterm ination

of A cid ity in Insulating O ils..................................................................... 82D a v id so n , J. M ., a nd C l a r k e , L o y a l . R apid V olum etric M ethod

for D eterm ination o f P otassium ............................................................. 324D a v ie s , J. M ., an d D ie t e r ic h , E . O. Scorching, and O ther Plas­

t ic ity Changes in R u bber C om pounds on H e a tin g .. . . . . . . . . . . . . 297D a v is , H . S., C r a n d a l l , G . S., a n d H ig b e e , W . E ., Jr . Problem s

in E stim ation o f U nsaturated H ydrocarbons in Gases. I l l —Som e F actors in Brom ination w ith Potassium B rom ide-B rom ateM ix tu re ...............................................................................................#................... 108

D a v is , J. D . P lastom eter. N ew Instrum ent for M easuring PlasticProperties o f C o a l........................................................................................... . 43

D a v is , R . O. E ., an d Sc h o ll , W . M eth od for Analysis o f V olatileC om pounds Containing C arbon, H ydrogen , and N itrogen .......... 276

D e G r o o tb , M e l v in , K e is e r , B e r n h a r d ̂W ir t e l , A . F ., a nd M onson L. T . Analysis o f F a tty M odification s O btained b y A ction o fSulfuric A c id .................................................................................................... 243

D e la n o , P. H ., a n d S c h r e n k , W . T . E lectro lytic D eterm ination o fLead as Lead D iox id e ..................................................................... _................. 27

D e m a r e s t , J. V ., an d R ib m a n , W m ., 3 rd . Potentiom etric D eter­m ination o f Saponification N um ber o f M ixtures o f Asphalt andD rying O ils............................................................................................................. 15

D ie t e r ic h , E. O ., a nd D a v ie s , J. M . Scorching, and O ther Plas­tic ity Changes in R u bber Com pounds on H eating ................................ 297

a n d H a h n , S. II. G raphical Tensile-Testing M achine for R u bberT h rea d s .................................................................................................................... 218

D o u g h e r t y , G. T . Indirect Estim ation o f Silicon in 48 to 52 PerC ent Ferrosilicons................................................................................................. 158

D y k in s , F . A ., an d E n g l is , D . T . D eterm ination o f G lucose inPresence o f Fructose and G lycine by Iodom etric M e th o d ................... 21

E ffect o f A m ino A d d s upon R otation o f G lucose and Fructose and Its Significance to D eterm ination o f Sucrose by D ouble Polariza­tion M eth od s .......................................................................................................... 17

E D W A R D S , G . P ., AND M oh lm an , F. W . D eterm ination o f C arbonin Sewage and Industrial W astes......................; • * *................................. • HO

E n g l is , D . T ., a nd D y k in s , F . A . D eterm ination o f G lucose inPresence o f Fructose and G ly d n e b y Iodom etric M e th o d ................... 21

Effect o f A m ino A d d s upon R otation o f G lucose and Fructose and Its Significance to D eterm ination o f Sucrose b y D ouble Polariza­tion M eth od s ........................... 17

E r n st , R . C ., P r a g o ff , E ., Jr ., a nd L it k e n h o u s , E . E . H ydrogen ­Ion Concentration and C olor o f Lead Chrom ate P igm ents. ............ 174

E v a n s , R . N ., and D a v e n p o r t , J. E . Potentiom etric D eterm inationo f A rid ity in Insulating O ils .............................................................................. 82

E v e n so n , O. L ., a n d N a g e l , R . H . Q uantitative E stim ation o fAm aranth and Tartrazine in F ood C olor M ix tu re.................... 260

Use o f Buffers in D eterm ination o f C olor b y M eans o f T itanium Trichloride— I I ..................................................................................................... 167

F A IR B R O T H E R , A. M ., a n d W is e , L. E . Chem istry o f W ood —III . Part 1— Com parison o f T w o M ethods for D eterm inationo f L ign in ................................................................................................................... 253

F e r g u s o n , G . E ., O ls e n , J. C ., S a b e tta , V . J., a n d S c h e f la n , L e o ­p o ld . Q uantitative D eterm ination o f P h osgene.........: ....................... 189

F is h , F. II., a n d A d d lesto n e , J. A . U nit C oa l Studies on Som eVirginia C oa ls ........................................................................................................ 155

F o o t e , H. W ., a nd A k e r l o f , G o sta . L ow -Tem perature Th erm ostat. 389 F o o te , M . E ., a n d N ich o ls , M . S. D istillation o f Free A m m onia

N itrogen from Buffered Solutions................................................................ 311F o r se e , W . T ., a nd P ie r c e , J. S. D etection o f C a dm iu m ;............ 188F ra n c is , A . G ., a n d P a rso n s , A . T . _ D eterm ination o f O xides o f

N itrogen (except N itrous Oxide) in L ow Concentration. [SeeI n d . E n g . C hem ., Anal. E d ., 2, 294 (1930) ]................................................ 225

F u d g e , J. F. A pparatus for Continuous Leaching w ith Suction .............. 114F u lm e r , E . I. Q uantitative Separation o f C opper and Cadm ium b y

R eduction o f Th eir Salts with Potassium F orm ate................................. 257F u lto n , C . C . Hehner T est for F orm aldehyde............................................... 199

Opium Alkaloids as Reagents for F orm aldehyde.......................................... 200F u r m a n , N . H. E lectroanalytical Separations in A m m oniacal F luor­

ide Solutions. I—-Separation o f C opper from A rsenic andA n tim on y ....................................................... 217

G E B H A R D T , H . T ., an d So m m er , H . II. D eterm ination o f C op perin D airy P rod u cts ................................................................................................ 24

420

R esidual-C urrent M easurem ents in C on trol o f M eta l Solution inM ilk ............................................................................................................................. 414

G e h m a n , S. D ., a n d W a r d , J. S. M icroturb id im eter for D eterm ina­tion o f R u b b er C on ten t o f L a te x .....................; • • •. • 300

G ib s o n , R . C ., a n d W il l a r d , H . H . D eterm ination o f Chrom ium and V anadium in Ores and A lloys after O xidation w ith P er­ch loric A cid (C orrection , 2 2 6 )............... SS

G o e iil e r , O. E ., an d S m it h , G . F. D issociation o f C oncentrated Perch loric A cid during V acuum D istillation at M oderately LowPressures......................................................................................................... 65

O xonium Perchlorate as R eference Standard for C on struction o f Specific G rav ity -P ercen tage C om position T a b le for StrongP erchloric A cid S olu tion s........................ .•••■;............................................. 6*

O xonium Structure o f H ydrated P erchloric A c id ......................................... 53Purification o f Perchloric A cid b y V acuum D istilla tion ............................ 48

G r a y , H . L e B ., M u r r a y , T . F ., J r ., a n d St a u d , C . J. ̂ A cid Value o f Cellulose F a tty A cid Esters and R a p id Analysis o f CertainCellulose A ce ta tes ................................................................................................. 269

G r e e n , J e sse . Use o f Steam for K je ldah l D istillation o f N itrog en . . . . 160G r e t t ie , D . P ., a n d N e w t o n , R . C . M easurem ent o f R ate o f F orm a­

tion o f O xidative D ecom position P rodu cts in Fats and O ils ................ 171G r if f in g , E . P ., C o o k , W . H ., a n d A l s b e r g , C . L . M ill for Small

Sam ples...................................................................................................................... 102G u st a f s o n , II ., a nd K e a n , R . H . Som e F actors Influencing Soap

, T ests for H ardness...................................... 355

H A H N , S. H ., an d D ie t e r ic h , E . O. G raphica l T en sile-T estingM ach ine for R u bber T h rea d s .......................................................................... 218

H a m n e r , H . L ., a n d C u n n in g h a m , T . R . R a p id C olorim etric M eth od for D eterm ination o f M oly bden u m in Plain C arbon andA lloy Steels .............................................................................................................. 106

H a n , J. E . S., AND C h u , T . L . Benzidine M eth od for D eterm inationo f A ce tic A cid in Lead A ce ta te ----- ;••••„• .• • • • 379

H ARAD A, T a ic h i . E stim ation o f D iastatic Enzym e Preparations.Taka-D iastase, M alt Diastase, and Pancreatic D iastase....................... 1

H a r in g , M . M ., w it h W o r t h in g t o n , K . K . M ethods for D eter­m ining Solubilities o f Som e F luosilicates..................................................... 7

H a r l o w , W . M ., a n d W is e , L . E. Chem istry o f W ood — II I . Part 2— C om parison o f T w o M eth ods for Preparation o f L ignin fromW o o d .......................................................................................................................... 254

H a t f ie l d , W . D ., a n d M o r k e r t , K . H . Easy M eth od o f M arkingChem ical G lassw are............................................................................................. 242

H ic k s , J. F . G ., J r ., a n d B e n so n , H . K . Proposed M odification o f O xygen C onsum ed M eth od for D eterm ination o f Sea W aterP o llu tion .................................................................................................................... 30

H ig b e b , W . E ., Jr ., D a v is , II. S ., a n d C r a n d a l l , G . S. Problem s in E stim ation o f U nsaturated H ydrocarbons in Gases. I l l —Som e F actors in B rom inatiou w ith Potassium B rom ide-B rom ateM ix tu re ...................................................................................................................... 108

H ix s o n , A . W ., W o r k , L . T ., A le s sa n d r o n i, H . V .. C l iff o r d , G . E., a n d W il k e n s , G . A . A pparatus for Experim ental P yro ly ticP rodu ction o f D iph en yl..................................................................................... 289

H ol m e s , C . R ., a nd K e s t e r , E . B . Analysis o f L ight Oils from L ow -and Interraediate-Tem perature C a rb on iza tion ........................................ 292

H o l m e s , R . L ., a n d L o t h r o p , R . E. D eterm ination o f D extroseand L evu lose in H oney b y Use o f Iodine-O xidation M e th o d .............. 334

H o p k in s , H. C ., P a r r , S. W ., a nd M it c h e l l , D . R . F u sa in .................... 64H o u g h t o n . W . F., a nd R o b b , J. A . Alignm ent Chart for Estim ating

V iscosity -G rav ity Constant o f Petroleum L ubricating Oils................ 144H o w e s , C . C ., a nd J a co bs , C . B . Shou ld a Change Be M ade in A na­

lytica l Procedure for E valuating A vailable Ph osphoric A cid C ontent o f Fertilizer M ateria ls? .................................................................... 70

IS A A C S , A A R O N , W icfiers, E d w a r d , a n d Sc h o o n o ve r , I . C . T w oH undred R eagent Chem icals— G ood and B a d ......................................... 227

J A C O B , K . D ., an d R e yn o ld s , D . S. E ffect o f Certain F orm s o fSilica on D eterm ination o f F luorine b y V olatilization M e th o d 371

M eth od for D eterm ination o f F luorine in Phosphate R o ck andP h osphatic Slags.................................................................................................... 366

J a co bs , C . B ., a n d H o w e s , C . C. Shou ld a Change Be M ade in A n aly tica l P rocedure for E valuating A vailable Ph osphoric A d dC ontent o f Fertilizer M ateria ls? ...................................................................... 70

J a c o b s , M . B ., a n d Ja f f k , L e o n . M eth od for Identification o fC om m on G u m s...................................................................................................... 210

Ja f f k , L e o n , a n d Ja co bs , M . B . M eth od for Identification o fC om m on G u m s...................................................................................................... 210

J a m e s , L . H . M odified F ord-W illiam s M e th o d ............................................... 31V olum etric D eterm ination o f Chrom ium and N ickel in Sam e Solu­

t io n .............................................................................................................................. 258Jo n e s , R . L . N ew Substrates for Use in D etectin g P roteo ly tic A c­

t iv ity ........................................................................................................................... 149

K A M E D A , T O H R U , a n d K o l t h o ff , I . M . C on du ctom etricT itration o f Sulfate and B a riu m ................................ . ...... 129

K a r r e r , E . M odified Balance for A pproxim ate and Q uick W eigh in g .. 112K e a n , R . H ., a n d G u stafso n , H . Som e F actors In flucnring Soap

T ests for H ardness............................................................................................... 355K e a r s l e y , E . P. W ., a nd R o b e r t s , G . L . M easurem ent o f E ffect

o f C arbon Black on F lu id ity o f Printing I n k .............................................. 310K k is b r , B e r n h a r d , W ir t e l , A . F ., M o n so n , L. T ., a n d D eG r o o te ,

M e l v in . A nalysis o f F a tty M odification s O btained b y A ctiono f Sulfuric A d d ...................................................................................................... 243

K e r n , E . W ., a n d Sc h u ii , A . E . M easurem ent o f A brasion R e ­sistance. I— Paints, Varnishes, and L acquers........................................ 72

K e s t e r , E . B ., a n d A n d r e w s , R . Stillhead for L a boratory Colum ns. 373 a n d H o l m e s , C . R . Analysis o f L ight Oils from L ow - and Inter -

m ediate-T em pcrature C a rb on iza tion ........................................................... 292a n d P o h l e , W . D . > D eterm ination o f O lefin, A rom atic, and Paraf­

fin H ydrocarbons in N eutra l Oil from C oal T a r........................................ 294K il l e f f k r , D . H. Solid C arbon D ioxide in L a boratory T e ch n ic 386K in g , E . J, C olorim etric D eterm ination o f Silica. [Ser I n d . E n g .

C h e m ., Anal. E d ., 2 , 276 (19 3 0 ))..................................................................... 117K in o , R ; H . A D egree B r ix -T o ta l Solid R elationship. S tudy o f

Possible Th eoretica l B rix C orrection F a ctor for A pproxim ationo f Solids b y D ry in g U sing Carbonate A sh D eterm in ation ................... 230

K i r k , P. ̂L ., a n d C r a ig , R o d e r ic k . Im proved T ech n ic for M icro -gravim etric A n alysis............................................................................................ 345

K it s u t a , K ., a n d Sa l t e r , R . M . A vailab ility o f Ph osphoric A d d in A m m oniated Superphosphates. P roposed M eth od for E stim a­t io n ............................................................................................................................... 331

K o b e , K . A . Analysis o f Three H ydrocarbon s b y C om b u stion ............... 262M odified Slow -C om bustion Pi p e t ....................................................................... 159

Vol. 3, No. 4

K o c h , W . W ., a n d S m i t h , G. F. Perchloric A d d as New Standardin A ddim etry................................................................................................. 52

K o l t h o f f , I. M ., a n d K a m e d a , T o h r u . Conductometric Titrationof Sulfate and Barium................................................................................... 129

a n d P e a r s o n , E. A. Stability o f Potassium Ferrocyanidc Solu­tions.................................................................................................................... 381

a n d S a n d r l l , E. B. Direct and Reverse Titration o f Sulfuric Acid with Barium Itydroxide................................................................................ 115

L A U R O , M . F . Use o f Selenium as C ata lyst in D eterm ination o fN itrogen b y K je ldah l M e th o d ........................ 401

L e ig h to n , P. A ., a n d B l a c e t , F . E. D ry M eth od o f M icroanalysiso f G ases ...................................................................................................................... 266

LiTKKNnous, E. E., E r n s t , R . C., a n d P r a g o f f , E ., J r . H yd rogen ­Ion C on cen tration and C o lor o f L ead C hrom ate P igm ents ................. 174

L o c k h a r t , L . B . Ignition Losses in P otash Analyses o f T ripleSuperphosphate M ix tu res ................................................................................. 407

L o t h r o p , R . E ., a n d H o lm e s , R . L. D eterm ination o f D extrose andLevu lose in H oney b y U se o f Iodine-O xidation M e th o d ....................... 334

L o u g h , S. A . Large-Scale Soxh let E x tra cto r ................................................... 344

M A L H O T R A , R . C . N otes on D eterm ination o f H em icelluloses 161M a r t i , W. C ., a n d M a r t in e k , M . J. Practica l M eth ods o f D etec t­

ing and E stim ating M eth y l C h loride in A ir and F o o d s ......................... 408M a r t in e k , M . J., a n d M a r t i , W . C.^ Practica l M ethods o f D etecting

and E stim ating M ethyl Chloride in A ir and F o o d s .................................. 408M c C o y , J. M . D eterm ination o f Sm oking P oint o f F a ts ............................ 347M cC r u m b , F . R . Use o f W id e-R an ge Indicators for D eterm ination '

o f p H ........................................................................................................................... 233M c G a v a ck , J., a n d R u m b o ld , J. S. D eterm ination o f p H o f A m ­

m onia L a te x ............................................................................................................. 94M cK in n e y , D . S. Interpretation o f W ater A n alysis .................................... 192M e h r in g , A . L . M easurem ent o f D rillab ility o f Fertilizers...................... 34M i l l e r , G . W ., a n d P a lm e r , H . F. D eterm ination o f A lkalin ity o f

R eclaim ed R u b b e r ................................................................................................ 45M it c h e l l , D . R ., P a r r , S. W ., a nd H o p k in s , H . C . F u sa in .................... 04M o h lm a n , F . W ., a n d E d w a rd s , G. P. D eterm ination o f C arbon in

Sew age and Industrial W astes ........................................................................ 119M on so n , L . T . , D eG r o o t e , M e l v in , K k is b r , B e r n h a r d , a nd W ir -

t e l l , A . F. Analysis o f F a tty M odification s O btained b y A ctiono f Sulfuric A c id ...................................................................................................... 243

M o r k e r t , K . H ., a n d H a t f ie l d , W . D . E asy M eth od o f M arkingChem ical G lassw are............................................................................................. 242

M o r r i s , H . P ., N e ls o n , J. W ., a n d P a lm e r , L . S. Q uantitative D eterm ination o f Calcium , M agnesium , and Phosphorus in Feed-stuffs and C attle E x cre ta .................................................................................. 164

M o ss , J. A ., W ill ia m s , J. B ., a n d B r o w n , D . J. D eterm ination o fLead as Chrom ate in Presence o f Perch loric A c id .................................... 134

M ü l l e r , R . H .t a n d P a r t r id g e , H . M . D eterm ination o f H y d ro ­gen -Ion C on cen tration w ith P h otoelectric C o lorim eter ........................ 169

M u r r a y , T . F ., J r ., S ta u d , C . J., a n d G ra y , H . L e B . A cid V alue o f C ellulose F a tty A cid Esters and R a p id Analysis o f C ertain Cellu­lose A ceta tes ............................................................................................................ 269

N AG EL, R . II., a n d E v e n s o n , O. L. Quantitative Estimation ofAmaranth and Tartrazine in Food Color M ixture................................ 260

Use of Buffers in Determination of Color by Means of TitaniumTrichloride— I I ............................................................................................. 167

N e l s o n , J. W ., M o r r i s , H. P., a n d P a l m e r , L. S. Quantitative Determination of Calcium, Magnesium, and Phosphorus inFeedstuffs and Cattle Excreta.................................................................. 164

N e w t o n , R . C., a n d G r e t t i e , D. P. Measurement of Rate ofFormation o f Oxidative Decomposition Products in Fats and Oils. 171

N i c h o l s , M . L. Anodic Precipitation of Lead Peroxide........................... 384N i c h o l s , M. S., a n d F o o t e , M. E. Distillation of Free Ammonia

Nitrogen from Buffered Solutions............................................................. 311N ibderl, J. B., a n d T r a u t z , O. R. Absolute Determination of

Nitrogen in Organic Compounds............................................................. 151N i b u w l a n d , J. A., a n d V a u g h n , T . H. Determination of Organic

Halogen by Liquid Ammonia-Sodium Process.................................... 274N i s s e n , B. H. The pH of Butter and Its Relation to Titratable

A cidity............................................................................................................. 374

O B E R S E ID E R , J. L ., a n d B o y d , J. H ., J r . E ffect o f L igh t onD eterm ination o f E th y len e ............................................................................... 123

O 'L e a r y , W . J., a n d P a p ish , J a co b . A rc Spectrographic E stim ationo f Chrom ium in R u b y ......................................................................................... 11

O ls e n , J. C ., F e r g u s o n , G . E ., S a b k tta , V. J., a n d S c i ib f la n , L e o ­p o ld . Q uantitative D eterm ination o f P h osgene.................................... 189

Os b u r n , O. L ., a n d W e r k m a n , C . H . D eterm ination o f B u ty l andE th y l A lcohols in M ix tu res .............................................................................. 387

D eterm ination o f O rganic A d d s . V — A pplication o f Partition M eth od to Q uantitative D eterm ination o f A cetic , Propion ic, andB u tyric A d d s in M ix tu re .................................................................................... 264

Ot h m e r , D . F . Glass T em perature and F loa t R eg u la tors.......................... 139

P A L K IN , S. Im proved G auze-P late L a boratory R ectify in g C olum n. 377 P a lm e r , H . F ., a n d M i l l e r , G . W . D eterm ination o f A lkalin ity o f

R ecla im ed R u b b e r ................................................................................................ 45P a lm e r , L . S., M o r r i s , H . P ., a n d N e ls o n , J. W. Q uantitative

D eterm ination o f C a ld u m , M agnesium , and Phosphorus in F eed ­stuffs and C attle E x cre ta .................................................................................. 164

P a p ish , J a co b , a n d O 'L e a r y , W. J. A rc Spectrographic Estim ationo f C h rom ium in R u b y ......................................................................................... 11

P a r k , B a r t iio l o w . Iod id e M eth od for C op p er ............................................. 77P a r r , S. W ., H op k in s , H . C ., a n d M i t c h e l l , D . R . F u sa in .................... 64

a n d S t a le y , W . D . D eterm ination o f Sulfur b y M eans o f T u rb id ­im eter .••••;.................................................................................................... 68

Studies in A d iab atic C a lorim etry ..........................................................._............ 396P a r s o n s , A . T ., a n d F r a n c is , A . G . t D eterm ination o f O xides o f

N itrogen (except N itrous O xide) in L ow C oncentration . (Se*I n d . E n g . C h e m ., A nal. E d ., 2, 294 (1 9 3 0 )) .................................. 225

P a r t r id g e , H . M ., a n d M ü ll e r , R . I I . D eterm ination o f H ydrogen ­Ion C oncentration w ith P h otoelectric C o lorim eter ................................. 169

P e a r s o n , E . A ., a n d K o l t h o f f , I. M . S tability o f Potassium Ferro-cyan ide S olu tion s.................................................................................................. 381

P e a r so n , E . L ., a n d B u s w e l l , A . M . S ludge Ripeness S tudies 359P e t e r s o n , E. G ., B i t t in g , C . D ., a n d P ic c a r d , J. D eterm ination o f

O xides o f N itrogen (except N itrous O xide) in L ow C oncentration .[See In d . E n g . C hem ., Anal. E d ., 2, 294 (1 9 3 0 )) ...................................... 225

AN ALYTICAL EDITION

October 15, 1931 INDUSTRIAL AND ENGINEERING CHEMISTRY

P e tt y jo h n , E . S. Portab le Equipm ent for Crushing and QuarteringSam ples o f Coal, C oke, and O ther L u m py M aterials............................. 163

P ic c a r d , J., P e te r s o n , E . G ., a nd B it t in g , C . D. D eterm ination of O xides o f N itrogen (except N itrous O xide) in L ow Concentration.(Sw In d . E n g . Ciiem ., Anal. E d ., 2, 294 (1 9 3 0 )) ..................................... 225

P ie r c e , J. S., a n d F o r se e , W . T . D etection o f C a dm iu m ........................ 188P o d b ib l n ia k , W . J. A pparatus and M ethods for Precise Fractional-

D istillation A n alysis....................................... 177P o h le , W . D ., a n d KLb st e r , E. B. D eterm ination o f Olefin, Arom atic,

and Paraffin H ydrocarbons in N eutral Oil from C oal T a r . . ............. 294P o t h , E . J. G enerator for P rodu ction ' o f C arbon D ioxide o f High

P u rity ........................................................................................................................ 202P r a g o f p , E ., J r ., E r n s t , R . C ., a nd L it k e n h o u s , E. E . H ydrogen ­

Ion C oncentration and C olor o f Lead Chrom ate P igm ents................. 174P r a m m e , M . H . D eterm ination o f G lycerol in G reases............................... 232P r ic e , R . J., a nd C u n n in g h a m , T . R . D eterm ination o f Zirconium

in Plain C arbon and A lloy Steels................................................................. 105

R A K E S T R A W , D . R ., an d R h o des , F . H . C om parative Efficiencieso f G as-W ashing B ottles .................................................................................... 143

R a s k , O. S ., a n d T o u r tk l lo tt e , D u e . Spectrographic D eterm ina­tion o f Alum inum in B iological A sh es............................................................ 97

R e if f , O. M ., a n d B e a r d , L. C ., J r . A pplication o f O xalic A d d - U ranyl A cetate A ctinom eter to M easurem ent o f Sunlight Inten­sity in C on nection w ith P h otochem ical Changes in G asoline............. 280

R e m in g to n , R . E ., C u lp , F. B ., a n d A n shacher , Ste f a n . CopperD eterm ination in O rganic M a tte r ............................ _.............................. 314

R e y n o ld s , D . S., a n d Ja c o b , K . D . Effect o f Certain Form s o f Silicaon D eterm ination o f Fluorine b y Volatilization M e th o d ...................... 371

M eth od for D eterm ination o f Fluorine in Phosphate R ock andP hosphatic S lags.................................................................................................. 366

R ho de s , F . H ., a n d R a k b s t r a w , D . R . Com parative E ffidencies ofG as-W ashing B ottles ................................................ . .................... 143

R ie m a n , W m ., 3r d , a nd D em a r e st , J. V . Potentiom etric D eterm ina­tion o f Saponification N um ber o f M ixtures o f Asphalt and D ryingO ils . .......................................... . ........... 15

R ip p e r t o n , J. C . M easurem ent o f Consistency o f Starch S o lu tion s ... 152R o b b , J. A ., a n d H o u g h to n , W . F. A lignm ent Chart for Estim ating

V iscosity -G rav ity Constant o f Petroleum L ubricating Oils................ 144R o b e r t s , G. L., and K e a r sl e y , E. P. W . M easurem ent o f E ffect o f

C arbon Black on F lu id ity o f Printing In k ............................................... 310R o b e r t so n , A . C . Sim ple and E asily C onstructed Gas-Pressure

R eg u la tor ................................................................................................................. 383R o b e r t so n , A . E ., a n d R o se n , R . Analysis o f Gaseous H yd ro ­

carbons. A S hort-C ut M e th o d .............. .••••........... : ........................ : • ■ 284R o b e r t so n , G .. R . H ydrogen -Ion D eterm inations w ith Low -R esist-

ance Glass E lectrodes........................................................................................ 5R o l l e r , P. S. A ccurate A ir Separator for Fine P ow ders............................ 212R o m e y n , H e n d r ic k , Jr ., a n d B o n n e r , W . D . O xidation o f Ferrous

Iron by Iod ine in Presence o f Phosphate and N on-E xistence o fFerriphosphate C om p lex .......................... _....................................................... 85

R o s e n , R ., a n d R o b e r t so n , A . E . Analysis o f Gaseous H ydrocarbons.A S hort-C ut M e th o d .......................................................................................... 284

R o w e , L . F ., an d Sk a u , E . L. Further Applications o f the CentrifugalFiltration T u b e : • • •..................................... *47

R u m b o ld , J. S., a n d M cG a v a c k , J. D eterm ination o f pH o f A m ­m onia L a tex ....................................................................................... ;................... 94

R u m m el , J. K . Estim ation o f Solids in Steam b y C on d u ctiv ity .............. 317R y s s e l b e r g e , P. J., V a n . Q uantitative D eterm ination o f Potassium

b y Sodium C obaltinitrite M e th o d ................................................................. 3

S A B E T T A , V . J., Sc iie f l a n , L e o p o l d , F e r g u s o n , G . E ., a n d O l se n ,J. C . Q uantitative D eterm ination o f P h osgene................. 189

Sa l t e r , R . M ., a nd K it s u t a , K . A vailability o f Phosphoric A d d in A m m oniated Superphosphates. Proposed M ethod for E stim a­tion ...................................................................................................................... ...... 331

S a n d e l l , E. B ., a nd KoLTnoFF, I. M . D irect and Reverse T itrationo f Sulfuric A d d w ith B arium H yd rox id e .................................................... 115

S a n d e rs , M . T . S tudy o f O ffidal M ethod o f B leaching Test o f Am eri­can Oil Chem ists’ S od e ty . [See In d . E n g . Chem ., Anal. E d ., 2,374 (1930) ] .......................................................................... 226

Sa n d in , R . B ., a n d St o v e r , N . M . Use o f B on e A cid in M icro-K jeldah l D eterm ination o f N itrogen ........................................................... 240

Sa n d o , C . E . E lectrically -H eated M elting Point A p paratu s................... 65Sa s c iie k , W . J. M icroanalysis w ith an O rdinary Balance. I— D e­

term ination of N itrogen by M icro-D u m as M e th o d ....................... 198Sa t t l e r , L o u is , a nd Z e r b a n , F . W . Ash and E lectrical C on du c­

tiv ity o f Refined Cane Sugars........................................................................ 41C on du ctom etric Form ula for D eterm ining Ash in B oth R a w and

R efinery Sirups and M olasses .......................................................................... 38Studies on T u rb id ity in Sugar Products. I— R elation between

Intensity o f T yn da ll Beam and D epth and Concentration o fS o lu tion • • •• • 326

Sc a r r it t , E . W . D eterm ination o f Phosphates in Presence o f Sihcain B oiler W a ter ................................................................... v ................. \.......... 2 ^

Sc h a r n a g e l , A . R ., a nd T ru s ty , A . W . D eterm ination o f H ydrogenSulfide in R efinery Still G ases............................................ ... .................. • 29

S c iie f l a n , L e opold , O l se n , J. C._, F e r g u so n , G . E ., a nd Sa b e tt a , V.J. Q uantitative D eterm ination o f Phosgene.......................................... 189

Sc h o l l , W ., a nd D a v is , R . O. E . M eth od for Analysis o f VolatileC om pou nds Containing C arbon, H ydrogen , and N itrogen .......... 276

Sc h o o n o ve r , I. C ., W ic k e r s , E d w a r d , a nd I sa a cs , A aro n . T w oH undred R eagent Chemicals— G ood and B a d ............................. 227

Sc h r e n k , W . T ., a n d D e l a n o , P. H . E lectro lytic D eterm ination o fLead as Lead D iox id e .......................................................... . 27

S ch u h , A . E ., a n d K e r n , E. W . M easurem ent o f A brasion R e ­sistance. I— Paints, Varnishes, and L a cq u ers . ............. 72

Sc h w a r t z , A . M ., and B ush , M . T . F low D ivider for Fractionationunder D im inished Pressure........................................................

Sc o t t , R . D . A pplication o f Brom ine M eth od in D eterm ination ofPhenol and C resols................................................................................ .• • •

Sc o tt , W . W ., a n d A l ld re d g e , S. M . Investigation o f Am m oniumA cetate Separation o f Sulfates o f Lead, Barium , and C alcium 32

S c r ib n e r , A . K . M oisture C ontent o f Liquid Sulfur D iox id e . . . . .......... 255Sh a w , J. A . D eterm ination o f Phenols in W ater Solution. A d apta ­

tion o f Brom ine M eth od to Include R ange o f 1 to 75 p. p. m . ------- 273S h e l b e r g , E . F ., an d T a b e r n , D . L . D eterm ination o f Sodium in

O rganic C om pounds. Use o f U ranyl A cetate M e th o d ........................ 278Sh r e w s b u r y , C . L . E xtractor for B iological P rod u cts 320Sk a u , E . L ., a n d R o w e , L . F . Further A pplications o f the C en tn fu -

gal Filtration T u b e • ■ • • •■•••■;* 1 7S k in n e r , L . B. Th iosulfate T itrations o f Sm all A m oun ts o f Iron in

Glass San ds................................ 411

Sm it h , G . F; , a nd G o e h l b r , O. E . D issociation o f C oncentrated Perchloric A cid during V acuum D istillation at M oderate ly LowPressures..................................................................................................................

O xonium Perchlorate as R eference Standard for C onstruction o f Specific G ravitv -P ercen tage C om position T able for Strong Per­ch loric A d d S olutions ........................................................................................

O xonium Structure o f H ydrated Perchloric A d d .........................................Purification o f Perchloric A d d b y V acuum D istillation ............................a nd K och , W . W . Perchloric A d d as N ew Standard in A cidim e-

_ try ...............................................................................................................................Sm it h , W . ‘ C. D eterm ination o f Sm all Q uantities o f Sulfur and

Chlorine W hen Present in T u rp entine .......................................................S n id e r , J. B., A m b le r , J. A., a n d B y a l l , S. Im purities in W hite

Sugars. I I— D eterm ination o f Sulfates, Sulfites, and A ldchyde-Sulfites......................................................................................................................

So m m er , H . II ., a n d G e b iia r d t , H . T . D eterm ination o f C opper inD airy P rod u cts . . ..............................................................

R esidual-C urrent M easurem ents in C on trol o f M etal Solution iuM ilk ...........................................................................................................................

St a l e y , W . D ., a nd Pa r r , S. W . D eterm ination o f Sulfur by M eanso f T u rb id im eter.............................................. ................................ ....................

Studies in A d iabatic C a lorim etry .......................................................................St a u d , C . J ., M u r r a y , T . F ., Jr ., a nd G r a y , II. L eB. A d d Value

o f Cellulose F a tty A d d Esters and R apid A nalysis o f CertainC ellulose A ceta tes ...............................................................................................

St o n e , I r w in . M ethod for Increasing Sensitivity o f Certain C hem i­cal T est R ea ction s .............................................................................................

St o v e r , N . M ., a nd Sa n d in , R . B . Use o f B oric A cid in M icro-K jeldah l D eterm ination o f N itrogen ...........................................................

St u g a r t , R a l p h . D eterm ination o f Iron in M ilk and O ther B io ­logical M ateria ls...................................................................................................

S u n ie r , A . A ., a nd W h ite , C. M . M odified V acuum R egulator.............

T A B E R N , D . L ., an d Sh e l b e r g , E . F. D eterm ination o f Sodiumiu O rganic C om pounds. Use o f U ranyl A cetate M e th o d ...................

T h a y e r , L. A . C olorim etric D eterm ination o f Silica. [ S « I nd .E n g . C h em ., Anal. Ed ., 2, 276 (19 3 0 )] .........................................................

T h om p son , J. J., a n d W i l l a r d , H . II. V olum etric and G ravim etricD eterm ination o f M ercu ry as P eriodate.....................................................

V olum etric D eterm ination o f M anganese after O xidation by Perio­date ............................................................................................................................

T hom pson , T . G ., a n d B o n n a r , R . U. Buffer C a p a d ty o f Sea W a ter .. T o u r t e l lo t t e , D e e , an d R a s k , O. S. Spectrographic D eterm ina­

tion o f A lum inum in B iological A sh es..........................................................T r a u t z , O . R ., a n d N ie d k r l , J. B . A bsolute D eterm ination o f

N itrogen in O rganic C om pou n ds..................................................................T r e m a in , H . E . N ew T est for H alogens................ • • • *................................T r u s t y , A . W ., a nd S c h a r n a g e l , A . R . D eterm ination o f H ydrogen

Sulfide in R efinery Still G ases........................................................................T u r n e r , W . D . Im proved A bsorption T u be for Com bustion A naly­

sis ...................... ..................................................................... ..................................

V A U G H N , T . II., a nd N ie u w l a n d , J. A . D eterm ination o f O rganicH alogen b y Liquid A m m onia-Sodium P rocess.........................................

V o l l m a r , R . C . Q uantitative D eterm ination o f Pyrethrin I ..................

W A R D , j . S., an d G kh m an , S. D . M icroturbid im eter for D eter­m ination o f R u bber C ontent o f L a tex ..........................................................

W e in b e r g e r , W o lto r . M eth od for D eterm ination o f Small Q uan­tities o f Paraform in V arious M ix tu res................ ........................................

T est for Aldehydes Using D im ethylcyclohexanedione...............................W e l l m a n , V. E. A ll-G lass Steam D istillation Apparatus for A n a­

lytica l P u rposes.....................................................................................................W e r k m a n , C . H ., a n d O sb u r n , O. L . D eterm ination o f B u ty l and

E thyl A lcohols in M ixtu res.........................................................................D eterm ination o f O rganic Acids. V — A pplication o f Partition

M ethod to Q uantitative D eterm ination o f A cetic, P ropionic, andB u tyric A d d s in M ix tu re ..................................................................................

W h it e , C . M ., a n d Su n ie r , A . A. M odified V acuum R egu la tor.............W ic h k r s , E d w a r d , I sa a cs , A a r o n , a n d S c h o o no ve r . I. C. T w o

H undred R eagent Chemicals— G ood and B a d ................•.•••............W il e y , R . C . G ravim etric and D irect V olum etric D eterm ination of

C a dm iu m ...................................................................................................Separation o f Calcium and M agnesium b y M oly bd ate M eth od .............

W il k e n s , G. A ., H ix s o n , A . W ., W o r k , L. T ., A l k ssa n d ro n i, H . V ., a n d C liff o r d , G . E . A pparatus for Experim ental P yrolyticProdu ction o f D ip h en y l........................................ .• • • •............................ • •

W il l a r d , H. H ., a n d G ib s o n , R . C . D eterm ination o f Chrom ium and Vanadium in Ores and A lloys after O xidation w ith PerchloricA d d . (C orrection , 2 2 6 ).................................................................... ..............

a nd T hom pson , J. J. Volum etric and G ravim etric D eterm inationo f M ercu ry as P eriodate.................................................. . . . ..................... .

V olum etric D eterm ination o f M anganese after O xidation b y Perio­d a te ....................................................................................................... ....................

W il lia m s , J. B ., B r o w n , D . J., a n d M o ss , J. A . D eterm ination ofLead as Chrom ate in Presence o f Perchloric A d d ....................................

W ir t e l , A . F ., D eG r o o te , M e l v in . K e is e r , B e r n h a r d , a n d M o n - so n , L . T . Analysis o f F a tty M odification s O btained b y A ctiono f Sulfuric A d d .......................................................... .................. .................. ....

W is e , L . E ., a n d F a ir b r o t h e r , A . M . Chem istry o f W ood — III. Part 1— Com parison o f T w o M ethods for D eterm ination ofL ign in .........................................................................................................................

a nd H a r l o w , W . M . C hem istry o f W ood — II I . Part 2— C om ­parison o f T w o M ethods for Preparation o f Lignin from W ood .........

W o o t e n , L. A ., C l a r k e , B. L ., and,C om pto n , K . G . Potentiom etric T itra tion in N on-A queous Solutions. I— Differential M ethodfor D eterm ining Oil A d d it y ............................................................................

W o r k , L . T ., H ix s o n , A . W ., A l essa n d ro n i, H . V ., C l iff o r d , G. E ., and W il k e n s , G . A . A pparatus for Experim ental P yro­ly tic P roduction o f D iph en yl.........................................................................

W o r t h in g t o n , K . K ., w it h H a r in g , M . M . M ethods for D eter­m ining Solubilities o f Som e F luosilicates....................................................

Z E R B A N , F. W ., a n d S a t t l e r , L ou is . Ash and E lectrical C on ­d u ctiv ity o f Refined Cane Sugars........................................... .....................

C on ductom etric Form ula for D eterm ining Ash in B oth R aw andR efinery Sirups and M olasses..........................................................................

Studies on T u rb id ity in Sugar Products. I— R elation betw een Intensity o f T yn dall Beam and D epth and C oncentration o fS o lu tion • • v * *

Z im b o n , E. Transparent Cellulose Covers for Nessler Com parison T u b es ........................ ............. .................... ............................................................

421

55

615848

52

354

339

24

414

66396

269

325

240

390259

278

118

398

399 393

97

151225

29

63

274110

300

357365

281

387

264259

227

14127

289

88398

399

134

243

253

254

321

289

7

41

38

326

356