ELECTROCHEMICAL DATA - GBV

ELECTROCHEMICAL DATA

A HANDBOOK FOR ELECTROCHEMISTS IN INDUSTRY AND UNIVERSITIES

BY

D. DOBOS

II V - -

ttZÜ m

... T^ II —/

AKADEMIAI KIADO • BUDAPEST 1975

CONTENTS

Foreword 15

/ . List of Symbols, fundamental physical constants, conversion table to SI units, international

atomic weights, electrochemical equations and formulae 17

List of Symbols 19

Fundamental physical constants 23

Conversion table to SI units 24

Prefixes for fractions and multiples of SI units 24

International atomic weights 25

Electrochemical equations and formulae _ 27

//. Conductivities, ionic mobilities, transport numbers, diffusion coefficients, thermo-dynamic data for ions in electrolyte Solutions, relaxation times, relative permittivities 37

1. Specific and equivalent conductivities df Solutions of inorganic electrolytes at 18°C 39

2. Equivalent conductivities of AgNO s , Ag2S04 , A1C13 and A12(S04)3 Solutions 49

3. Equivalent conductivities of Ba(CH3COO)2 , BaBr0 3 , BaCI2 and Ba(N0 3 ) 2 Solutions 50

4. Equivalent conductivities of Ca(CH3COO)2 , CaCl,, Ca(NO s)2 and CaS0 4 Solutions

at 18°C 50

5. Equivalent conductivities of CdBr2, CdCl2, Cdl2 , Cd(NOa)2 and C d S 0 4 Solutions

at 18°C 50

6. Equivalent conductivities of CoCl2, CsCl, CuCl2, Cu(N0 3 ) 2 and CuS0 4 Solutions 51

7. Equivalent conductivities of K acetate, KBr, KCNS, KCl and KC10 3 Solutions a t l 8° C 51

8. Equivalent conductivities of KC104 , K F , K H C 0 3 , KI and K I 0 3 Solutions 5 l

9. Equivalent conductivities of K N 0 3 , K2CO a , K2C2Od , K 2 S0 4 and K4[Fe(CN)6]

Solutions 52

10. Equivalent conductivities of LaCl3, LiCl, Li I0 3 , LiNO a and Li 2S0 4 Solutions 52

11. Equivalent conductivities of MgCl2, Mg(N03)2 , M g S 0 4 and MnCl2 Solutions 52

12. Equivalent conductivities of NH4C1, N H 4 N 0 3 , (NH4)2S04 , NaCl and NaC10 4

Solutions 53

13. Equivalent conductivities of Na acetate, NaF , NaI, N a I 0 3 and N a N O s Solutions 53

14. Equivalent conductivities of Na 2CO s , N a 2 H P 0 4 , Na 2 S0 4 and Na 2 Si0 3 Solutions

at 18°C 54

15. Equivalent conductivities of NiS0 4 , Pb(N0 3 ) 2 , RbCl, SrCl2 and Sr (N0 3 ) , Solutions

at 18°C 54 16. Equivalent conductivities of TIC!, TIF, TINO s , ZnCl2 and Z n S 0 4 solutions at 18°C 54

17. Equivalent conductivities of some acids in aqueous Solution at 18°C 55 18. Equivalent conductivities of some inorganic bases in aqueous Solution at 18°C 55 19. Conductivities of saturated Solutions of slightly soluble electrolytes 56 20. Conductivity of very pure water at various temperatures 56 21. Conductivities of potassium chloride Solutions at various temperatures 57 22. Conductivities of saturated CaS04, 30 w. % H2S04, 17.4 w. % MgS04 and saturated

NaCl Solutions at various temperatures 58 23. Conductivities of inorganic pure liquids 59 24. Equivalent conductivities of some salts in liquid S02 at 0°C 60 25. Equivalent conductivities of some Compounds in methanol at 25°C 61 26. Equivalent conductivities of some Compounds in ethanol at 25°C 62 27. Equivalent conductivities of some inorganic electrolytes in acetone at 25°C 62 28. Conductivities of pure solids and molten inorganic salts at various temperatures 63 29. Equivalent conductivities of molten inorganic salts at their melting points 69 30. Conductivity of the System KI-A1I3 at 200°C 69 31. Conductivity of the System Hgl2-All3 at 200°C 69 32. Conductivity of the System Cdl2-All3 at 200°C 69 33. Conductivity of the System Sbl3-All3 at 200 C° 70 34. Conductivity of the System AlBr3-SbBr3 at 99.5°C 70 35. Conductivity of the System BaCl2-NaCl at various temperatures 70 36. Conductivity of the System Cul-All3 at 200°C 70 37. Conductivity of the System KN03-NaN03 at various temperatures 71 38. Conductivity of the System AgN03-TlN03 at 250°C 71 39. Conductivity of the System Na2B407-NaCl at various temperatures 71 40. Conductivity of the System KCl-NaCl at 850°C 71 41. Conductivity of the System NaCl-CaCl2 at various temperatures 71 42. Conductivity of the System NaCl-CaCl2 at various temperatures 71 43. Conductivity of the System Agl-All3 at 200°C 72 44. Conductivity of the System AgBr-AgCl at 500° C 72 45. Conductivity of the System AlBr3-KBr at 99.5°C 72 46. Conductivity of the System AgCl-Agl at various temperatures 72 47. Conductivity of the System AgBr-Agl at various temperatures 72 48. Conductivity of the System AgN03-AgI at various temperatures 73 49. Conductivity of the System KCl-CaCl2 at various temperatures 73 50. Conductivity of the System KCl-CdCl2 at various temperatures 73 51. Conductivity of the System KCl-MgCl2 at various temperatures 74 52. Conductivity of the System LiCl-KCl at various temperatures 74 53. Conductivity of the System KF-NaF at various temperatures 74 54. Conductivity of the System NaF-AlF3 at various temperatures 75 55. Conductivity of the System K3AlFG-Na3AlFr, at various temperatures 75 56. Conductivity of the System Al2O3-Na3AlF0 at various temperatures 75 57. Conductivity of the System Na2B407-NaF at various temperatures 76 58. Conductivity of the System PbBr2-PbCl2 at 500°C 76

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59. Conductivity of the System Na 20-W0 3 at various temperatures 76 60. Specific and equivalent conductivities of aqueous Solutions of organic Compounds

at 18°C 76 61. Molar conductivities of aqueous Solutions of organic bases at 25°C 79 62. Conductivities of pure organic liquid Compounds 79 63. Resistivities and conductivities of water-ethanol mixtures 83 64. Resistivities and conductivities of water-glycol mixtures 83 65. Resistivities of aqueous Solutions of inorganic and some organic Compounds at 25°C 84 66. Resistivities of KOH Solutions at various temperatures 85 67. Resistivities of NaOH Solutions at various temperatures 85 68. Resistivities of ZnCl2 Solutions 85 69. Equivalent ionic conductivities in aqueous Solutions at 18°C 86 70. Limiting equivalent anionic conductivities in aqueous Solutions 87 71. Limiting equivalent cationic conductivities in aqueous Solutions 88 72. Limiting equivalent ionic conductivities in organic solvents at 25° C 89 73. Absolute ion mobilities at infinite dilution at 18°C 90 74. Anion transport numbers in aqueous AgN03, BaBr2, BaCl2, BaI2 and Ba(N03)2

Solutions at 18°C 90 75. Anion transport numbers in aqueous CaBr2, CaCl2 and Cal2 Solutions at 18°C 91 76. Anion transport numbers in aqueous CdBr2, CdCl2, Cdl2 and CdS04 Solutions at

18°C 91 77. Anion transport numbers in aqueous CsBr, CsCl, Csl and CuS04 Solutions at 18°C 92 78. Anion transport numbers in aqueous HCl, HN0 3 and H2S04 Solutions at 18°C 92 79. Anion transport numbers in aqueous KBr, KI and KN0 3 Solutions at 25°C 92 80. Anion transport numbers in aqueous KBrOs, KCl, K 0 0 3 and KC104 Solutions

at 18°C 92 81. Anion transport numbers in aqueous KOH, K2C03, K2S04 and K acetate Solutions

at 18°C 93 82. Anion transport numbers in aqueous LiCl, LiOH, MgBr2, MgCl2, Mgl2 and MgS04

Solutions at 18°C 93 83. Anion transport numbers in aqueous NH4Br, NH4C1 and N H J Solutions at 18°C 94 84. Anion transport numbers in aqueous NaBr, NaCl, Nal and NaOH Solutions at 18°C 94 85. Anion transport numbers in aqueous Na2COs, Na2S04 and Na acetate Solutions

at 18°C 95 86. Anion transport numbers in aqueous RbBr, RbCl, Rbl and T12S04 Solutions at 18°C 95 87. Transport numbers in some solid electrolytes 95 88. Transport numbers in some pure molten electrolytes 97 89. Diffusion coefficients of various metal ions in some Systems of fused salts 97 90. Self-diffusion coefficients of ions in some molten salts 99 91. Heats of formation {AH"), Standard entropies (5°) and heats of hydration (AHhyd)

of ions in aqueous Solutions at 25°C 99 92. Solvation energies of some ions in various solvents 102 93. Relaxation times of some electrolytes in 0.001 M Solutions 102

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94. Relative permittivities (static) of elements and inorganic Compounds 102 95. Relative permittivities (static) of some aqueous electrolyte Solutions at 25°C 105 96. Relative permittivities of organic Compounds 105 97. Relative permittivity index 133 98. Relative permittivities of ethanol-water mixtures at 25°C 139 99. Relative permittivities of methanol-water mixtures at 25°C 140

100. Relative permittivities of ethylene glycol-water mixtures at 25°C 140 101. Relative permittivities of dioxan-water mixtures at 25°C 140 102. Relative permittivities of rf-glucose Solutions at 25°C 140 103. Relative permittivities of isopropyl alcohol-water mixtures at 25°C 140 104. Relative permittivities of glycerol-water mixtures at 25°C 140 105. Relative permittivities of minerals at room temperature 140 106. Relative permittivities and tan ö values of raw and other materials at room tem

perature 141 107. Relative permittivities and tan <5 values of plastics at room temperature 144

///. Equilibrium values, activity coefficients, solubility product s, rH values 147

108. Dissociation constants of inorganic acids 149 109. Dissociation constants of inorganic bases 150 110. Dissociation constants of organic acids 150 111. Dissociation constants of organic bases 170 112. Degrees of electroiytic dissociation of inorganic and some organic Compounds

at 25°C 174 113. Ionic product of water at various temperatures 175 114. Dissociation and recombination rate constants for organic acids 176 115. Ionic product of the autoprotolysis of some solvents 177 116. Acidity constants of some Brönsted acids in aqueous Solutions at 18°C 177 117. Ionic strengths in 1 M Solutions of various electrolyte types 178 118. Mean activity coefficients of AgN03, A1CI3, A1(003)3 and A12(S04)3 Solutions

at 25°C 178 119. Mean activity coefficients of Ba acetate, BaBr2, BaCL, Ba(004)2 and Bal2 Solu

tions at 25°C 179 120. Mean activity coefficients of Ba(N03)2, Ba(OH)2 and BeS04 Solutions at 25°C 180 121. Mean activity coefficients of CaBr2, CaCl2, Ca(C104)2, Cal2 and Ca(NOs)2 Solutions

at 25°C 180 122. Mean activity coefficients of CdBr2, CdCl2, Cdl2, Cd(NOs)2 and CdS04 Solutions

at 25°C 181 123. Mean activity coefficients of CeCl3, CoBr», CoCl2, CoI2 and Co(N03)2 Solutions

at 25° C 182 124. Mean activity coefficients of CrCl3, Cr(N03)3, Cr2(S04)3, CsAc and CsBr Solutions

at 25°C 183 125. Mean activity coefficients of CsCl, Csl, CsN03, CsOH and Cs2S04 Solutions

at 25°C 183

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126. Mean activity coefficients of CuCl2, Cu(N0 3 ) 2 and CuS0 4 solutions at 25°C 184

127. Mean activity coefficients of EuCl3, FeCl2, FeCl3 and Ga(C104)3 solutions at 25°C 185

128. Mean activity coefficients of HBr, HCl, HC104 and HI solutions at 25°C 185

129. Mean activity coefficients of HNO, , H 2 S0 4 , In2(S04)3 , K acetate and KBr solutions

at 25°C 186

130. Mean activity coefficients of KBrO s , KCNS, KCl, KC103 and K F solutions at 25°C 187

131. Mean activity coefficients of K H adipate, K H malonate, K H succinate, K H 2 A s 0 4

and K H 2 P 0 4 solutions at 25°C 188

132. Mean activity coefficients of KI , KNO s , KOH, K toluenesulphonate, K 2 C r 0 4 and

K , H P 0 4 solutions at 25° C 188

133. Mean activity coefficients of K 2 S0 4 , K 3 As0 4 , K3[Fe(CN) e] , K 3 P0 4 , K4[Fe(FN)6]

and K4[Mo(CN)8] solutions at 25°C 189

134. Mean activity coefficients of LaCl3, La(N0 3) 3 , Li acetate, LiBr, LiCl and LiC104

solutions at 25° C 190

135. Mean activity coefficients of Lil, L iN0 3 , LiOH, Li toluenesulphonate and L i 2 S0 4


136. Mean activity coefficients of Mg acetate, MgBr2, MgCl2, Mg(C104)2, Mgl2 , Mg(NO s)2

and MgS0 4 solutions at 25°C 191

137. Mean activity coefficients of MnCl2, MnS0 4 , Na acetate, NaBr and NaBrO : l

solutions at 25°C 192

138. Mean activity coefficients of Na butyrate, Na caprate, Na caproate, Na caprylate

and NaCNS solutions at 25°C 192

139. Mean activity coefficients of NaCl, NaC103 , NaC104 and N a F solutions at 25°C 193

140. Mean activity coefficients of Na formate, N a H adipate, N a H malonate, N a H

succinate and Na heptylate solutions at 25°C 194

141. Mean activity coefficients of NaH 2 As0 4 , N a H 2 P 0 4 , Na l , N a N 0 3 and N a O H


142. Mean activity coefficients of Na pelargonate, Na Propionate, Na toluenesulphonate,

Na valerate and Na 2 CO s solutions at 25°C 195

143. Mean activity coefficients of Na 2 Cr0 4 , Na2 fumarate, Na 2 HAs0 4 , N a 2 H P 0 4 and

Na2 maleate solutions at 25°C 196

144. Mean activity coefficients of Na 2 S0 4 , Na 2S 20 3 , Na 3 As0 4 , N a 3 P 0 4 and NdCl


145. Mean activity coefficients of NH4C1, NH 4 NO s , (NH4)2S04 , NiCl2 and N i S 0 4


146. Mean activity coefficients of PbCl2, Pb(C104)2, Pb (N0 3 ) , and PrCl3 solutions

at 25°C 198

147. Mean activity coefficients of Rb acetate, RbBr, RbCl, Rbl , RbNO a and Rb 2 S0 4


148. Mean activity coefficients of ScCl3, SmCl3, SrBr2, SrCl2, Sr(C104)2, Srl2 and Sr(N03)2


149. Mean activity coefficients of ThCl4, Th(NO s)4 , Tl acetate, T1C1, T1C104 and T1N0 3


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50. Mean activity coefficients of UOäCl2, U02(C104)2, U02(N03)2, U02S04 and YCl3

Solutions at 25°C 201 51. Mean activity coefficients of ZnBr2, ZnCl2, ZnfC104)2, Znl2, Zn(N03)2 and ZnSÖ4

Solutions at 25°C 202 52. Mean activity coefficients of BaCl2 Solutions at various temperatures 203 53. Mean activity coefficients of CdBr2 and CdCl2 Solutions at various temperatures 203 54. Mean activity coefficients of Cdl2 Solutions at various temperatures 204 55. Mean activity coefficients of HBr in aqueous Solutions at various temperatures 204 56. Mean activity coefficients of HCl in aqueous Solutions at various temperatures 205 57. Mean activity coefficients in H2S04 Solutions at various temperatures 206 58. Mean activity coefficients of KCl in aqueous Solutions at various temperatures 207 59. Mean activity coefficients of KOH in aqueous Solutions at various temperatures 207 60. Mean activity coefficients of NaBr in aqueous Solutions at various temperatures 208 61. Mean activity coefficients of NaCl in aqueous Solutions at various temperatures 208 62. Mean activity coefficients of NaOH in dilute aqueous Solutions at various tempera

tures 209 63. Mean activity coefficients of NaOH in concentrated aqueous Solutions at various

temperatures 209 64. Mean activity coefficients of ZnCl2 in aqueous Solutions at various temperatures 210 65. Mean activity coefficients of Znl2 in aqueous Solutions at various temperatures 210 66. Mean activity coefficients of HBr in KCl Solutions at various temperatures 211 67. Mean activity coefficients of HBr in LiBr Solutions at various temperatures 211 68. Mean activity coefficients of HBr in NaBr Solutions at various temperatures 212 69. Mean activity coefficients of HCl in A1C13 Solutions at 25°C 212 70. Mean activity coefficients of HCl in BaCL Solutions at various temperatures 212 71. Mean activity coefficients of HCl in CsCl, GeCl3 and SrCl2 Solutions at 25°C 213 72. Mean activity coefficients of HCl in LiCl Solutions at various temperatures 213 73. Mean activity coefficients of HCl in KCl Solutions at various temperatures 214 74. Mean activity coefficients of HCl in NaCl Solutions at various temperatures 214 75. Mean activity coefficients of T1C1 in aqueous Solutions of various electrolytes as a

function of the ionic strength at 25°C 215 76. Mean activity coefficients of HCl in dioxan-water mixtures 215 77. Mean activity coefficients of HCl in ethanol-water mixtures at 25°C 217 78. Mean activity coefficients of HCl in ethanol-water mixtures and in ethanol at 25°C 218 79. Mean activity coefficients of HCl in glycerol-water mixtures at 25°C 218 80. Mean activity coefficients of HCl in isopropanol-water mixtures at 25°C 218 81. Mean activity coefficients of HCl in methanol-water mixtures at various temperatures 2I9 82. Mean activity coefficients of HCl in methanol at 25°C 219 83. Approximate activity coefficients of ions as a function of the ionic strength at 25°C 219 84. Log y values of alkali metal and ammonium salts in aqueous Solutions at room

temperature 220 85. Mean activity coefficients of some Chlorides in molten KCl-NaCl System at 700°C 220 86. Solubility products of slightly soluble electrolytes 221

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187. r H values of some redox Systems at 30°C 227

188. Conversion of r H to E (pH = 7) 227

IV. Indicators, measurement of pH, buffer Solutions, approximate values of pH for different

materiats, Standard mixtures for dielectrometric investigations 229

189. Transition pH ränge of indicators 231

190. Colour change of mixed indicators 231

191. Redox Potentials of redox indicators 232

192. Standard redox potentials of some redox resins 233

193. Salt correction of some indicators in Solutions of different ionic strength for colori-

metric pH measurements 234

194. Protein correction of some indicators for colorimetric pH measurements 234

195. pH of NBS primary Standard Solutions at 0 - 9 5 ° C 235

196. Pressure corrections for the hydrogen electrode 235

197. p H ranges of buffer Solutions 236

198. Buffer Solution mixtures (Sörensen) 236

199. Buffer Solution mixtures (Clark and Lubs) 238

200. Buffer Solutions (Britton-Robinson) 239

201. Phosphate-citric acid bujier mixtures 239

202. Acetate buffer mixtures 240

203. Succinic acid-borax buffer mixtures 240

204. Phosphate-borax buffer mixtures 240

205. Veronal buffer mixtures 241

206. Ammonium hydroxide-ammonium Chloride buffer mixtures 241

207. Approximate pH values of aqueous Solutions of acids at room temperature 241

208. pH value of an aqueous Solution of carbonic acid at 25°C 242

209. Approximate p H values of aqueous Solutions of inorganic bases at room temperature 242

210. Approximate pH values of salt Solutions of various concentrations, obtained from

weak acids and strong bases at room temperature 242

211. Precipitation p H of metal hydroxides 243

212. pH of some biological fluids 243

213. pH of some foodstuffs 243

214. Relative permittivities of pure liquids 244

215. Relative permittivities of acetone-benzene Standard mixtures at 25° C and at 400 MHz 244

216. Relative permittivities of water-acetone Standard mixtures at 25°C and at 400 MHz 244

V. Electrode potentials, electromotive forces, dijfusion potentials, zero charge potentials,

galvanic cells, accumulators 245

217. Standard electrode potentials of metals in aqueous Solution vs. SHE 247

218. Standard redox potentials of metals in aqueous Solution vs. SHE 248

219. Standard electrode potentials of some metals and gas electrodes vs. SHE in non-

aqueous Solutions 248

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220. Standard electrode Potentials of some metals in formamide vs. SHE 249

221. Electrode Potentials of metals in their pure molten halides at 700°C 249

222. Electrode Potentials of metals in bromide melts at 700°C 249

223. Standard Potentials of electrochemical reactions in aqueous Solution vs. SHE 250

224. Standard Potentials of the electrodes of the second order in aqueous Solution 262

225. Standard Potentials of metal sulphide (Me | MeS | H3S) electrodes 262

226. Standard electrode Potentials of oxide electrodes vs. SHE 262

227. Values of the 2.3026 RT/F = 0.0001983 T at various temperatures 263

228. Potentials of the Ag ] AgCl electrode in aqueous Solution at various temperatures 263

229. Potentials of the Ag [ AgI electrode in aqueous Solution at various temperatures 263

230. Potentials of calomel reference electrodes at various temperatures 264

231. Potentials of the Hg | Hg2Br2 electrode (vs. SHE) at various temperatures 264

232. Potentials of the Hg | Hg 2 S0 4 electrode (vs. SHE) at various temperatures 265

233. Potentials of Pb-Hg | PbS0 4 and Pb | P b S 0 4 electrodes (vs. SHE) at various temper

atures 265

234. Potentials of the P b 0 2 | P b S 0 4 electrode (vs. SHE) at various temperatures 265

235. Potential of thalamid electrode (vs. SHE) at various temperatures 265

236. Standard potential of the Ag | AgCl electrode in acetone-water mixtures 266

237. Standard potential of the Ag [ AgCl electrode in ethylene glycol-water mixtures 266

238. Standard potential of the Ag | AgCl electrode in ethanol-water mixtures 266

239. Standard potential of the Ag I AgCl electrode in methanol-water mixtures 266

240. Standard potential of the Ag ] AgCl electrode in dioxan-water mixtures 266

241. Standard potential of the Ag | AgCl electrode in <i-glucose Solutions 266

242. Standard potential of the Ag [ AgCl electrode in isopropyl alcohol-water mixtures 266

243. Standard potential of the Ag | AgCl electrode in glycerol-water mixtures 266

244. Standard potential of the Hg | Hg2Cl2 electrode in methanol-water mixtures 267

245. Standard potential of the Hg [ Hg2Cl, electrode in dioxan-water mixtures 267

246. Standard potential of the Hg | Hg2Cl2 electrode in ethylene glycol-water mixtures 267

247. Potentials of the quinhydrone electrode in aqueous Solution vs. SHE at 0-50°C 267

248. Potential difference between the quinhydrone and various calomel electrodes at

0-50°C 268

249. Standard redox Potentials of some biological redox Systems 268

250. Electromotive force of the Weston normal cell at various temperatures 269

251. Electromotive force of the Clark Standard cell at various temperatures 269

252. Electromotive force of the cell Pt | H , | HCl | AgCl | Ag at various temperatures 270

253. Electromotive force of the cell Ag | AgCl j KCl aq (a =1 .0) Hg2Cl2 [ Hg at various

temperatures 270

254. Electromotive forces of chemical cells with fused salts 270

255. Electromotive forces of galvanic cells with fused salts at various temperatures 271

256. Diffusion Potentials at the boundary of the same aqueous electrolyte Solutions of

different concentrations 272

257. Diffusion Potentials at the boundary of different aqueous electrolyte Solutions of the

same concentration 272

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258. Zero Charge Potentials in aqueous electrolyte Solutions with respect to the SHE

at room temperature 272

259. Zero Charge Potentials of mercury vs. NCE in aqueous electrolyte Solutions at room

temperature 273

260. Primary batteries 274

261. Zero Charge Potentials of liquid metals in fused KCl-LiCl eutectic mixture 276

262. Internal resistances of galvanic cells (of approximately 1 litre volume) 276

263. Accumulators 276

264. Preparation of 100 litres of accumulator acid of various concentrations 277

265. Density conversion table 278

266. Densities and conductivities of sulphuric acid Solutions of various concentrations 279

267. Some properties of potassium hydroxide Solutions 280

268. Quantities of electric Charge required for the oxidation and reduction of various lead

Compounds 280

269. Characteristics of silver a cumulators 280

270. Comparison of acid and alkaline (Ni-Fe) accumulators 281

VI. Coulometry, electrogravimetry, deposition potentials, decomposition potentials,

Polarographie half-wave potentials 283

271. Characteristic data of coulometers 285

272. Controlled potential separations and determination of some metals 286

273. Data for electrogravimetric determinations 287

274. Deposition potentials of some metals referred to the Standard hydrogen electrode 287

275. Decomposition potentials of electrolytes in normal Solutions measured between

platinum electrodes 288

276. Practical decomposition potentials of molten electrolytes 289

277. Polarographic half-wave potentials (vs. SCE) of inorganic depolarizers 290

278. Polarographic half-wave potentials (vs. SCE) of organic Compounds 305

VII. Electrokinetic data, isoelectric points 321

279. Electrophoretic migration rate of suspended particles of some materials and their

electrokinetic potentials in water 32-*

280. Electrophoretic migration rate of suspended particles of some materials and their

electrokinetic potentials in organic liquids 323

281. Isoelectric points of some proteins in aqueous Solution at 25°C 324

282. Dissociation constants and pH values at the isoelectric points of the amino acids

in water at 25°C 324

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VIII. Some important books on electrochemistry and related topics 325

Theoretical and general works 327

Electrochemical methods of analysis and instrumentation 328

Electroplating, corrosion 330

Industrial electrochemistry, electrochemical engineering 331

Batteries, accumulators, fuel cells 332

Calculations, data 332

Subject index 335

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ELECTROCHEMICAL DATA - GBV