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LABORATORIUM KOROSI

SEMESTER GENAP TAHUN AJARAN 2014/2015

MODUL :Inhibitor

PEMBIMBING : Ir.Retno In!rt"# MT.

Oleh :

Kelompok : $I %En!&'

Nama : 1. N!(r! A)(*t"n! #121424021

2. N(r(+ ,!t-!t(n #12142402

. Pr"! G"t! M!(+!n! #121424024

4. Ren" S!r! M!-!r"! #12142402

Kelas : A

PROGRAM STUDI DIPLOMA I T!KNIK KIMIA PRODUKSI B!RSI"

JURUSAN TENI IMIA

POLITENI NEGERI BANDUNG

#$%&

Tan''al Praktik(m : 13 M!ret 2015

Tan''al Pen)erahan : 1 M!ret 2015

*Laporan+


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I, TU-UAN

II, DASAR T!ORI


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U(r +(!* er&(!!n &!*"n)&!*"n) +!t 6!7!

er"n)!n !n t"&6!n) &!*"n)&!*"n) +!t 6!7!

8(9" +!t 6!7! en)!n !"r !n) &en)!+"r

Men)!&e+!* *e&(! +!t 6!7! en)!n ert!* !&e+!*

Men"!!n e!+!n 6(!- 6en! er7! %+!t 6!7!'

3,56 gr NaCl 1000 ml Aquades

Diaduk hingga homogen

III, M!TODOLOGI

%, ALAT DAN BA"AN

ALAT BA"AN

Ge+!* +!*t" 250 &+ 3 6(!- L!r(t!n N!8+ #5 )+

Ge+!* "&"! 250 &+ 4 6(!- L!r(t!n !+"(& 6"ro&!t %28r2O;' 5 Boraks

L!7( oro*" %r' w

A . t & %&)/&2!'

20mg

0,2128 dm2

.7 day

%12=1 m';.m#.a)

L!7( oro*" %r' w

A . t . & %&"+/e!r'

0,02gr

21,28cm2

.0,019year .7,89gr /cm3

0#00 9&/e!r

#2= mil;)ear

Na0l > Kromat

L!7( oro*" %r' w

A . t & %&)/&2!'

10mg

0,19305dm2

.7 day

2=$ m';.m

#

.a)

L!7( oro*" %r' w

A . t . & %&"+/e!r'

0,01gr

19,305 cm2

.0,019year .7,89gr /cm3

0#00 9&/e!r

%213 mil;)ear

b, Den'an Aerasi

Na0l

L!7( oro*" %r' w

A . t & %&)/&2!'

60mg

0,195dm2

.7 day

=12?3 m';.m#.a)

L!7( oro*" %r' w

A . t . & %&"+/e!r'


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0,06 gr

19,5 cm2

.0,019year .7,89gr /cm3

0#02 9&/e!r

2 0aO

L!7( oro*" %r' w

A . t & %&)/&2!'

30mg

0,204dm2

.7day

#%2$% m';.m#.a)

L!7( oro*" %r' w

A . t . & %&"+/e!r'

0,03gr

20,4 cm2

.0,019year .7,89 gr /cm3

0#00@3 9&/e!r

12 Boraks

L!7( oro*" %r' w

A . t & %&)/&2!'

20mg

0,196dm2

.7 day

%=2& m';.m#.a)

L!7( oro*" %r' w

A . t . & %&"+/e!r'

0,02gr

19,6 cm2.0,019year .7,89gr/cm

3

0#003 9&/e!r

#23< mil;)ear

Na0l > Kromat

L!7( oro*" %r' w

A . t & %&)/&2!'

20mg

0,195dm2

.7 day

%=23& m';.m#.a)


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L!7( oro*" %r' w

A . t . & %&"+/e!r'

0,02gr

19,5 cm2

.0,019year .7,89gr /cm3

0#0034 9&/e!r #23? mil;)ear

B, Gra@ik La/( Korosi terha.ap Lin'k(n'an

1 20

1

2

3

4

5

6

7

8

NaCl NaCl + CaO NaCl + Boraks NaCl + kromat

Non Aerasi Aerasi

!a"u Korosi #m$%&

0, Perhit(n'an !@isiensi

E?"*"en*" er6!n"n)!n +!7( oro*" +!r(t!n en)!n t!&6!-!n "n-"6"tor !n t!n! "n-"6"tor

E?"*"en*" Laju korosi NaCl+CaO

Laju Korosi NaCl

E?"*"en*" 1,36

6,48 = 100'N!

%!>' 8+%!>'

Ion 8+ &er(!!n *!+!- *!t( 7en"* "on !n) &ener!n) er&(!!n +o)!& !n

&ene6!6!n oro*" " !er!- !no! *ert! !to!.

Ano!: ,e,e2 2e %o*"!*"'

!to! : 2H2O 2e O24OH

%re(*"'

Ion ,e2(n &e&6ent( oro*" %!r!t' 6er!*!r!n re!*" 6er"(t:

,e2 2OH,e%OH'2

,e%OH'2 H2O,e2O.=H2O

Unt( &en)-!&6!t ter7!"n! oro*" 6!7! !! N!8+# "+!(!n en!&6!-!n

"n-"6"tor. Se9!r! (&(& *(!t( "n-"6"tor !+!- *(!t( C!t "&"! !n) !!t &en)-!&6!t

!t!( &e&er+!&6!t *(!t( re!*" "&"!. Se!n)!n "n-"6"tor oro*" !!+!- *(!t( C!t

"&"! !n) 6"+! "t!&6!-!n e!+!& *(!t( +"n)(n)!n# !!t &en(r(n!n +!7(


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ener!n)!n oro*" +"n)(n)!n "t( ter-!! *(!t( +o)!&. In-"6"tor *en"r" ter6!)"

&en7!" 6e6er!! &!9!& !n" "n-"6"tor !no"# "n-"6"tor !to"# !n "n-"6"tor

!6*or6*". P!! r!t"(& !+" "n"# "n-"6"tor !n) ")(n!!n !!+!- ro&!t *e6!)!"

"n-"6"tor !no" *ert! 6or!* !n !(r *e6!)!" "n-"6"tor !to". In-"6"tor"n-"6"tor

ter*e6(t "t!&6!-!n en)!n o+(&e !n) *!&! e !+!& +!r(t!n N!8+ " +"n)(n)!n

+o)!& 6!7! e&("!n "!r"!*"!n *e9!r! !er!*" !n non !er!*".

Sete+!- ""!&!n *e+!&! t(7(- -!r"# *e9!r! "*(!+ ter+"-!t +!r(t!n e+etro+"t !n)

t!"n! 6er!rn! 6en"n) 6er(6!- &en7!" (n"n). !rn! (n"n) "n" 6er!*!+ !r" +!"*!n

!n) &e&en(-" er&(!!n +o)!& 6!7!. N!&(n +!"*!n "n" r!(- !ren! !!n r(*!

et"! ter7!" )er!!n !! +o)!& 6!9! e&("!n +!"*!n "n" (n &en7!" en!!n.

L!"*!n "n" !!+!- +!"*!n -!*"+ "ner7! "n-"6"tor !n) !!n &en)-!+!n)" ener!n)!n

"on 8+

!! +o)!& 6!7! *e-"n))! +!7( oro*" &en(r(n.Ber!*!r!n !t! en)!&!t!n !n en)o+!-!n !t!# +!7( oro*" ter6e*!r !!

er+!(!n non !er!*" !"t( !! en!&6!-!n 6or!*. Se!n)!n +!7( oro*" ter6e*!r

!! er+!(!n !er!*" !"t( !! en!&6!-!n !(r. Bor!* &er(!!n "n-"6"tor t"e

!no"9 nono*"!tor. In" &ene6!6!n e&6ent(!n +!"*!n en!!n !! +o)!& 6!7!

" +"n)(n)!n N!8+ !n) "t!&6!- "n-"6"tor 6or!* ter7!" *!n)!t +!&! *e-"n))! oro*"

6"*! ter(* &ener!n) +o)!& 6!7!. L!7( oro*" tere9"+ ter9!!" o+e- en!&6!-!n

"n-"6"tor 8!O !n ro&!t !! er+!(!n non !er!*". !ren! *e9!r! "*(!+#

e&6ent(!n +!"*!n !! +o)!& 6!7! " +"n)(n)!n "n" ter+"-!t *!n)!t 7e+!*.

Se9!r! e*e+(r(-!n# n"+!" +!7( oro*" !n) ter9!!" *ete+!- en!&6!-!n "n-"6"tor

*e+!+( &en7!" +e6"- e9"+ "6!n"n)!n *e6e+(& en!&6!-!n "n-"6"tor. Se9!r!

er+!(!n# +!7( oro*" en)!n er+!(!n non !er!*" r!t!r!t! &en)!+!&" +!7( oro*"

!n) +e6"- e9"+ "6!n"n)!n er+!(!n !er!*". !ren! ont! en)!n (!r! !!n

&e&er9e!t +!7( oro*".

Oleh N(r(l athat(n *NIM, %#%=#=$#1+

Oleh Pria Gita Ma(lana *NIM, %#%=#=$#=+

Oleh Reni S8ara Mahar.ika *NIM, %#%=#=$#3+

II, SIMPULAN

DATAR PUSTAKA


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