39438_laporan lapis nikel
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7/23/2019 39438_Laporan Lapis Nikel
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LABORATORIUM PENGENDALIAN KOROSI
SEMESTER GANJIL TAHUN AJARAN 2015/2016
PRAKTIKUM PENGENDALIAN KOROSI
MODUL : Lapis Nikel
PEMBIMBING : Ir. Yunus Tonapa Sarunu! MT
Oleh :
Kelompok : VI
Nm : 1! Sh"#$ %m&'(# 1)1*11051
2! S#+' Ko,#m Am$-lh 1)1*11052
)! T,& %#h R.hm+#'# 1)1*1105)
Kel, : )
PROGRAM STUDI DIPLOMA III TEKNIK KIMIA
"URUSAN TEKNIK KIMIA
POLITEKNIK NEGERI BANDUNG
#$%&
Praktikum : 23 Desember 2015
Penyerahan: 05 Januari 2016
(Laporan)
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BAB I
PENDA'ULUAN
%.% La(ar Belakan
Elek($opl(#' me$-pk' ,-(- p$o,e, pe'e'+p' lp#,' lom p+ elek($o+ &'
e$(--' meme'(-k pe$m-k' +e'' ,#"( (- +#me',# &' e$e+ +e'' lom
+,$'&! Plating (e$m,-k ,lh ,(- .$ me''-l'# ko$o,# p+ lom +' -
e$"-',# me'#'k(k' ke(h'' h'! %#,mp#' #(-3 plating - meme$#k' '#l#
e,(e(#k p+ lom &' +#lp#,#3 &#(- 4$' +' (ek,(-$ (e$(e'(- ,e$( -'(-k me'-$'#
(h'' ko'(k ,e$( me'#'k(k' ko'+-k(##(, pe$m-k'! e'+ &' +#lp#,# h$-,
mmp- me'h'($k' $-, l#,($#k 7-$4'(o +' H-+3 20058!
Se.$ p$#',#p p$o,e, elek($opl(#' me'.k-p emp(hl3 &#(- peme$,#h'3
pem#l,'3 pelp#,' +' p$o(ek,# ,e(elh pelp#,'! Keemp( hl #'# +p( +#lk-k' ,e.$
m'-l (- #, - me'-'k' (#'k( o(om,# &' le#h (#'# l#!Nm-'3 +lm
p$o,e,'& #'+-,($# (#+k me'h$pk' +'& ke$-#' +e'' #& &' (e$l- e,$
-'(-k p$o,e, plating. %e'' +em#k#' lom h$-, (mp#l ,e,-# +e'' ko'+#,# &'
+#-(-hk'3 m#,l'& -'(-k pe'-'' lom -'(-k e$# pe$h#,'3 mk lom h$-,
(mp#l #'+h +' me'$#k! U'(-k pe$l(' $-mh (' h$-, k-( +' 4e(3 +'
,e(e$-,'&! A(, +,$ (e$,e-(3+#-(-hk' ,-(- -p& -'(-k me'#'k(k' e,(e(#k m-p-'
mel#'+-'# lom +$# h& ke$-,k' (- ko$o,#! Slh ,(- .$ &' pl#' e"ek(#"
+lh me'-'k' lp#, '#kel!
N#kel ,'( (e$ke'l +lm plating 3 (e$-(m p+ ,#,(em plating +eko$(#"9p$o(ek(#"!
N#kel (e$-(m +#lp#,k' ke $'9$' e,#3 3 pe$-'-3 ,e'3 (em3 pl,(#k -
l-m#'#-m ,mp# m'e,#-m!Lp#, '#kel e$"-',# ,e# +eko$(#" -'(-k mem-(
pe$m-k' lom me'+# $( +' me'k#l(! Sel#' #(-3 lp#, '#kel '&k +#pl#k,#k'
p+ pe$l(' $-mh ('3 -(omo(#"3 +' #'(e$#o$ +#pe$k'(o$' +e'' (--'
p$o(ek(#"&#(- me'.eh ko$o,# lom!
%.# Tu)uan
18 Me'm(# p$o,e, lp#, N#kel p+ e mell-# p$o,e, lp#, l#,($#k +e'' pe'm('
#,-l!
28 Me'e'(-k' 4k(- +' ,-h- op(#m-m -'(-k lp#, N#kel!
)8 Me'e'(-k'$p( $-, op(#m-m &' +#-'k' p+ p$o,e, lp#, N#kel!
*8 Me'e'(-k' Rek,# &' (e$+# p+ p$o,e, lp#, N#kel!
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BAB II
DASAR TEORI
#.% Lapis Nikel
Lp#, N#kel p+ e,# '&k +#lk-k' -'(-k (--' pe'.eh' ko$o,# (-p-' -'(-k
me'mh e,(e(#k! %e'' h,#l lp#,''& &' me'k#lp mk N#kel +lh &' pl#'
'&k +##'#'k' -'(-k melp#,# pe$m-k' lom!
7$o,e, pelp#,' '#kel +e'' me'-'k' $-, l#,($#k elek($opl(#'8 me$-pk'
,lh ,(- pelp#,' &' pl#' '&k +#-'k' p+ #'+-,($# ,e# h,#l kh#$ (-
lp#,' +,$ -'(-k p$o,e, ,el'-('&! 7$o,e, pelp#,' '#kel +p( +#pl#k,#k' -'(-k
p$o+-k ,epe$(# me+l# &' e$(--' -'(-k mel#'+-'# lom +,$ (em8 +$# ko$o,#
+' pe$m-k''& memp-'&# 4$' &' me'k#lp ,elm m, pk#'&!U'(-k
mel#'+-'# lom +e'' p$o,e, elek($opl(#'+#-(-hk' l#,($#k $-, ,e$h %;83 elek($ol#(
&' +#,e,-#k' +e'' lp#,' &' k' +##'#'k'3 lom pelp#, 'o+8 +' e'+
ke$ &' k' +#lp#, k(o+8!
Lp#, '#kel memp-'&# '&k pe'em'' -'(-k lp#,' +,$+$# lom l#''&3
k$e' pelp#,' '#kel (h' (e$h+p ko$o,#3 e$o,# +'$,#! N#kel pl#' '&k +#-'k'
,e# pelp#, +eko$(#" +e'' ke(el' 5 < *0 m#k$o me(e$!
Ga*+ar #.% Proses Lapis Nikel ,enan Elek(roli( NiSO-
Me'-$-( 7-$4'(o 200583 "k(o$9"k(o$ &' mempe'$-h# lp#, N#kel +lh
,e# e$#k-(:
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%. Suu
S-h- ,'( pe'(#' -'(-k me'+-k-' l''& $ek,# +' mel#'+-'#pelp#,'!
Ke,e#m'' ,-h- +#(e'(-k' oleh ee$p "k(o$ ,epe$(# ke(h''3$k 'o+ +'
k(o+3 ,e$( $-, &' +#-'k'!
#. Kerapa(an arus
Ke$p(' $-, &' #k +lh $-, &' (#'# +' ,e,-#! N#l# ke$p(' $-,
mempe'$-h# 4k(- plating -'(-k me'.p#ke(el' &' +#pe$l-k'!
/. Konsen(rasi ion
Me$-pk' "k(o$ &' e$pe'$-h p+ ,($-k(-$ +epo,#(! %e'' '#k'& ko',e'($,#
#o' lom mk mo#l#(, '#o' k' ,emk#' me'#'k(!
-. Ai(asi
=#(- (e$+#$# +$# +- m.m3 &#(- l''& k(o+ +' l''& l$-('! A#(,# +#lk-k'
-'(-k me'h#'+$# e'(-k/,($-k(-$3 pe'mp#l' +' ke(el' pelp#,' &' (#+k
me$(!
5. Throwing power
=#(- kemmp-' l$-(' elek($ol#( -'(-k me'h,#lk' lp#,' +e'' ke(el' me$(
+e'' k#'e$ &' ,el' +e'' e$-h'& $k '($ 'o+ +' pe$m-k'
kompo'e' ,elm p$o,e, pelp#,'!
&. Kon,uk(i0i(as
Ko'+-k(##(, l$-(' (e$'(-' p+ ko',e'($,# #o' (- -mlh ko',e'($,# molek-l!
1. Nilai p'
%e$( ke,m' pH8 me$-pk' "k(o$ pe'(#' +lm me'o'($ol l$-(' elek($ol#(! J#k
pH (#+k ,e,-#3 mk p$o,e, lp#, N#kel (#+k k' e$h,#l!
2. 3ak(u pelapisan
>k(- pelp#,' ,'( e$pe'$-h p+ ke(el' lp#,' &' +#h$pk'! Semk#'
lm pe'.el-p' mk ke(el' lp#,' ,emk#' e$(mh!
#.# Loa* Nikel
N#kel +lh -',-$ k#m# me(l#k +lm (el pe$#o+#k &' mem#l#k# ,#mol N# +'
'omo$ (om 2?! N#kel +lh lom e$4$' p-(#h kepe$k9pe$k' &' me'k#lp3
e$k$#,(l hl-, ,eh#' p#l +#pole, k' (mpk $-p &' #'+h3 ke$,3 ,#"('& (#+k
e$-h #l (e$ke' -+$+' +p( +#e'(-k! N#kel (e$olo' +lm lom pe$l#h'! e$(
e'#, '#kel +lh ?!@ $/.m)
3 (#(#k leleh 1*550
;3 (#(#k +#+#h 2@000
;! K$e' ,#"('& &'
"lek,#el +' memp-'&# k$k(e$#,(#k &' -'#k3 ke(h'''& (e$h+p ok,#+,# +'
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kemmp-''& -'(-k mempe$(h'k' ,#"(9,#"( ,l#'& +# 4h ,-h- &' ek,($#m3 '#kel
'&k +#-'k' +lm e$# pl#k,# kome$,#l +' #'+-,($#! N#kel ,'( pe'(#'
+lm peme'(-k' lom .mp-$' llo& +' ,-pe$llo&83 (e$-(m (#+k e$k$(
,(#'le,, ,(eel8!
7+ p$o,e, plating 3 4l- ke'&k' N#kel +$# 'o+'&3(e(p pe$l- +#(mhk'
$m'& ke k pl(#'! G$m9$m -'(-kpl(#' #(- m#,l'& '#kel k$o'(3 '#kel
kho$#+3 '#kel "l-oo$(3 '#kel,-l"m( +' '#kel ,-l"(!L$-(' elek($ol#( &' -m-m
+#-'k' +lm #'+-,($# lp#, '#kel +lh l$-(' N#SO*! L$-(' N#SO*+#p#l#h k$e'
l$-(' #'# me$-pk' l$-(' m-l(#-' &' +p( +#-'k' #k -'(-k plating +eko$(#"
m-p-' p$o(ek(#" +e'' #o' SO*29 &' ,(#l!
Ga*+ar #.# Loa* Nikel Ga*+ar #./ Loa* 'asil Lapis Nikel
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Me'&#pk' l$-('H;l3 NOH +'
N#SO*
7e'e'.e$' L$-('Mem',k' l$-('
N#SO* ,mp# +e''
50o;
S-h- +#pe$(h'k'ko',('
Me'(-$ $-, %;&' +#-'k'
7e$,#p' 'o+6'#kel8 +' k(o+
61e,#8
BAB III
METODOLOGI PER4OBAAN
/.% Ala( ,an Baan
Ta+el /.% Ala( ,an Baan 5an Diunakan
No Ala( Baan
1 Gel, K#m# 500 mL 1 -h Lom e 2 -h
2 Gel, Uk-$ 100 mL 1 -h L$-(' N#SO*500 mL
) 7#pe( ol-m 1 -h L$-(' NOH 1 N
* Te$mome(e$ 1 -h L$-(' H;l )6
5 Hot Plate1 -h
6 Re.(#"#e$ 1 -h
B Ampl,? Gel, k#m# 100 mL * -h
@ ol h#,p 1 -h
/.# Lanka Ker)a
/.#.% Persiapan Laru(an ,an Perala(an Lapis Nikel
/.#.# Persiapan Loa* ,an Proses Lapis Nikel
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Menimbang berat aa! !ogam "e# amp!as !ogam "e
Men$u$i !ogam %engan a&ua%es
Men$e!upkan !ogam pa%a !arutan '! se!ama 10 me
Larutan a*'
Larutan '!
Men$e!upkan !ogam pa%a !arutan a*'se!ama 5 men
Men$e!upkan !ogam pa%a !arutan i+*, se!ama 10 menit%an15menit
Mengeringkan Logam# !ap %engan tissue
Me'#m' e$( Akh#$
Lom e ,e(elh
+#lk-k' Lp#, N#kel
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BAB I6
DATA 'ASIL PENGAMATAN
-.% Da(a Pena*a(an pa,a loa*
-.# Pena*a(an Per7o+aan
NO GAMBAR KETERANGAN
%
Mem',k' l$-(' N#SO* ,mp#
,-h- 50o;
#
Proses pi7klin +e'' H;l 10
,elm 10 me'#(8 -' me'h#l'k'
k$(9k$( &' me'empel p+ pe$m-k' lom
Para*e(er Loa* 8e % Loa* 8e #
A$-, A8 1 1
>k(- pelp#,' me'#(8 10 15
e$( 4l $m8 1030* @3@5
e$( kh#$ $m8 1031@ 1031)
Sel#,#h e$( $m8 0315 031?
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/
Proses ,ereasin +e'' NOH 1 N
,elm 5 me'#(8 -' me'h#l'k'
,#,9,#, lemk &' me'empel p+
pe$m-k' lom!
- Me'&#pk' ,-me$ $-, l#,($#k! &'
''(#'& +#h--'k' +e'' elek($o+
+' lom! Lom e,# &'
+#(emp(k' p+ po,#,# k(o+ k-(-
e$4$' h#(m3 kel me$h8! +'
elek($o+ p+ po,#,# 'o+ &'
(e$h--' +e'' $-, l#,($#k +lm
l$-(' elek($ol#( k-(- C e$4$'
me$h3 kel h#(m8!
9
7$o,e, pe'.el-p' pelp#,' lom8
,elm 10 me'#( p+ lom 1 +' 15
me'#( p+ lom 2!
A$-, +# ko',(' ,elm 4k(-
(e$,e-(!
&
H,#l pelp#,' lom!Ke+- lom me'+# me'k#lp!
Lom 2 lp#,''& le#h (el +'
me'k#lp!
Lom 1 p+ #' ,#,#9,#,#
lom'& (#+k m-l-,!
12
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BAB 6
PEMBA'ASAN
9.% Ole Saira Da*a5an(i ;%/%-%%$9%<
7+ p$k(#k-m #'# +#lk-k' pe'e'+l#' ko$o,# +e'' me(o+ lp#, '#kel! T--'+$# p$k(#k-m #'# +lh me'm(# p$o,e, lp#, N#kel p+ e mell-# p$o,e, lp#,
l#,($#k +e'' pe'm(' #,-l3 me'e'(-k' 4k(- +' ,-h- op(#m-m -'(-k lp#,
N#kel3 me'e'(-k' $p( $-, op(#m-m &' +#-'k' p+ p$o,e, lp#, N#kel3 +'
me'e'(-k' $ek,# &' (e$+# p+ p$o,e, lp#, N#kel!
7+ p$k(#k-m #'#3 +#lk-k' pelp#,' lom e,# oleh '#kel! N#l# po(e',#l ,el
'#kel le#h e,$ +#'+#'k' +e'' po(e',#l e3 ,eh#' +#h$pk' lom e +p(
(e$l#'+-'# +$# ko$o,# +e'' +'& lp#,' lom '#kel +# pe$m-k''&!
Hl pe$(m &' +#lk-k' +lh pe$,#p'! Lom e &' k' +#lp#,# '#kel
+lh 2 -h3 #'# h$-, +#e$,#hk' (e$le#h +h-l- +e'' .$ +#mpl, -'(-k
me'h#l'k' ,e#' k$(3 meme$,#hk' lom +$# ko(o$'9ko(o$' &'
me'empel $ (#+k me''- p+ ,( p$o,e, pelp#,'3 +' me'hl-,k'
pe$m-k' lom $ lom h,#l p$o,e, pelp#,' (e$l#h( le#h hl-, +' $(
lp#,''&!
Kem-+#' +#lk-k' p$o,e, pickling 3 &#(- p$o,e, pe'.el-p' lom ke +lm l$-('
,m! 7$o,e, pickling p+ p$k(#k-m #'# me'-'k' l$-(' H;l 1N ,elm 10 me'#(
&' e$(--' -'(-k me'h#l'k' ,#,9,#, k$( &' m,#h me'empel p+
pe$m-k' lom! L$-(' H;l +#-'k' k$e' mmp- mem-(-,k' #k(' '($
lom +' ok,#+'& ,epe$(# k$( e,#! 7+ (hp pickling (e$+p( elem-'9
elem-' &' me''+k' (e$e'(-k'& , H2 +' l$-(' me'+# ,e+#k#( ke$-hk#( k$( e,# &' (e$lep, +$# lom e,#! 7e'h#l'' k$( #'# e$(--' $
lp#,' &' (e$e'(-k $el(#" le#h k-( +' (#+k m-+h me'el-p,!
Sel'-('& +#lk-k' p$o,e, degreasing &#(- p$o,e, pe'.el-p' lom p+ l$-('
lkl#3 p+ p$k(#k-m #'# +#-'k' NOH 1N! 7$o,e, +#lk-k' ,elm 5 me'#( +e''
(--' -'(-k me'h#l'k' ,#,9,#, lemk +' m#'&k &' m,#h me'empel p+
pe$m-k' lom! L$-(' NOH +#-'k' k$e' +p( me'&-'k' lemk +'
m#'&k &' me'empel p+ lom e,#! Ke(#k lemk p+ pe$m-k' lom (elh
(e$,-'k'3 mk ,e.$ o(om(#, k' (e$lep, +$# lom +' (e$l$-( +lm l$-('
pe'.-.#! Lemk +' m#'&k (e$,e-( h$-, +#h#l'k' p+ lom e,# k$e' k'
me'-$'# +& h'($ l#,($#k +' ko'(k '($ lom e +e'' lom pelp#,!
Sm#l me'-'- p$o,e, pickling +' degreasing 3 l$-(' N#SO* -'(-k pelp#,'
lom +#p',k' p+ heater ,mp# ,-h-'& me'.p# 50o;! Se(elh #(- p$o,e,
pelp#,' +#m-l#! 7elp#,' p+ lom 1 +#lk-k' ,elm 10 me'#( +' p+ lom
ke+- +#lk-k' ,elm 15 me'#(! Lom e,# &' +#(emp(k' p+ po,#,# k(o+
k-(- e$4$' h#(m3 kel me$h8! +' elek($o+ p+ po,#,# 'o+ &' (e$h--'
+e'' $-, l#,($#k +lm l$-(' elek($ol#( k-(- e$4$' me$h3 kel h#(m8!
7+ ,( $-, me'l#$3 mk k' (e$+# $ek,# k#m# +lm l$-(' elek($ol#(3 &#(-
#o' po,(#" +lm l$-(' k' e$e$k me'+ek(# k(o+ k-(- 'e(#"8 +' #o' 'e(#"
k' e$e$k me'+ek(# 'o+ k-(- po,#(#"8 ,eh#' (e$e'(-k lp#,' '#kel p+lom e,#! Rek,# $e+-k,# e,# &' me$-pk' p$o,e, pe'e$#m' elek($o' (e$+# +#
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k(o+ +' $ek,# ok,#+,# '#kel &' me$-pk' p$o,e, pelep,' elek($o' (e$+# +#
'o+! 7+ ,( p$o,e, pelp#,'3 e,# k' (e$l#'+-' +$# ko$o,#! Se N# ED N#2C
N# F
903250V8 mem#l#k# po(e',# $e+-k,# &' le#h po,#(#" +$# p+ e,# EDe2Ce F 90!**V8!
Nm-'3 #l pelp#, N# #'# o.o$3 ,eh#' lp#,' N# (e$-k3 e,# k' me'lm#
ko$o,# &' le#h .ep(! Rek,# &' (e$+# +lh :Reaksi ,i ano,a : 2H2O - O2 C *HC C *e9
N# - N#2C C 2e
Reaksi ,i ka(o,a : H2O C 2e 9- H2 C 2OH9
e2C C 2e9 - e
Se(elh p$o,e, (e$,e-( ,ele,#3 p+ lom e (e$e'(-k lp#,' '#kel &' mem-(
lom me'+# me'k#lp! 7+ lom 1 +# #' ,#,# pe$m-k'& (#+k hl-, +'
,epe$(# (e$k$3 hl (e$,e-( (e$+# k$e' p+ ,( p$o,e, elek($opl(#' lom 13 $-,
(#+k +# ko',('3 ,eh#' (e$k+' $-, meme,$ (#9(#!
e$+,$k' pe'm('3 e$( lom e ,eel-m +' ,e,-+h +#lk-k' pelp#,'
'#kel me'lm# pe'#'k('! &#(- lom 1 ,ee,$ 0315 $m +' lom 2 ,ee,$
031?$m! Se+'k' e$( lom 1 me'-$-( h-k-m "$+& ,ee,$ 031B*1 $m3 -'(-k
lom 2 ,ee,$ 032611 $m! 7e'mh' e$( #'# me'-'-k' +'& pelp#, p+
lom! %$# +( (e$,e-( +p( +#ke(h-# '#l# e"#,#e',# pelp#,''&! E"#,#e',# p+
pelp#,' ,elm 10 me'#( ,ee,$ ?63206@3 ,eme'($ e"#,#e',# p+ pelp#,' ,elm
15 me'#( ,ee,$ 6?3@)@1! e$+,$k' +( (e$,e-(3 +p( +#k(k' h4 ,emk#'
lm p$o,e, elek($opl(#'3 mk lp#,' k' ,emk#' (el! Hl #'# k' me'#'k(k'
ke(h' lom (e$h+p ko$o,# k$e' #'# e$$(# lp#,' lom N# k' ,-l#( +#(em-,
+' (#+k m-+h $-,k! Te(p#3 ke+- e"#,#e',# &' ke.#l #'# +#+p( k$e' p$o,e,
pelp#,' '#kel &' k-$' ,emp-$' k#( $p( $-, &' (#m-l +' (#+k +#ko',('! Rp( $-, &' (#'# +p( me'&ek' pel$-(' keml# p+ lp#,' &'
(e$e'(-k! Rp( $-, &' $e'+h me'&ek' pelep,' #o' lm( ,eh#'
mem-(-hk' 4k(- &' $el(#" lm!
Sel#' $p( $-, l#,($#k3 p$o,e, elek($opl(#' - +#pe'$-h# oleh ,-h- ope$,#3
ko',e'$,# #o'3 #(,# (- pe'+-k'3 throwing power &#(- kek-(' l$-(' elek($ol#(
-'(-k melp#,# k(o+ +e'' me$(3 ko'+-k(##(,3 pH +' 4k(- pelp#,'!
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9./ Ole Tas5a Dia Ra7*a,iani ;%/%%-%%$9/<
7$o,e, pelp#,' N#kel #'# +#lk-k' -'(-k melp#,# 2 -h +,$ pe$m-k'
lom e k$e' ,#"( +$# lom e &' m-+h me'lm# ko$o,# ke(#k ko'(k
+e'' -+$! 7e'-'' N#kel #'# +#lk-k' k$e' N#kel mem#l#k# ,#"( +& $ek(
&' k-( ,eh#' pe$m-k' lom le#h (h' (e$h+p ko$o,#! Sel#' #(-3 N#kel #'#
mem#l#k# pe'mp#l' &' k-$' me'$#k +' m-+h (e$+# pe$-h' 4$'
,eh#' +#-'k' -'(-k lp#,' +,$!
Lom &' (elh +#mpl, ll- me'lm# proses degreasing +e''
me'.el-pk' lom ke +lm l$-(' lkl#3 &#(- NOH 10 ,elm 10 me'#( -'(-k
me'h#l'k' ,#,9,#, lemk +' m#'&k &' m,#h me'empel p+ pe$m-k'
lom! L$-(' NOH #'# e$"-',# -'(-k me'&-'k' lemk +' m#'&k &'
me'empel p+ lom e,#! Ke(#k l#p#+ (elh (e$,-'k' mk ,e.$ o(om(#, k'
(e$lep, +$# lom +' (e$l$-( +lm l$-(' pe'.-.#! 7+ p$o,e, #'# (e$l#h( +'&
lp#,'9lp#,' (#p#, lemk +' m#'&k &' (e$p-' +# pe$m-k' l$-('! Lemk +'
m#'&k #'# +#h#l'k' +e'' (--' $ (#+k me'-$'# +& h'($ l#,($#k +'
- pe$m-k' ko'(k '($ lom +,$ +e'' lom pelp#,!
Sel#' #(-3 lom me'lm# proses pickling +e'' .$ me'.el-pk' lom
ke +lm l$-(' H;l 10 ,elm 10 me'#( -'(-k me'h#l'k' ,#,9,#, k$(9k$(
&' m,#h me'empel p+ pe$m-k' lom! L$-(' H;l #'# +#-'k' k$e'
mmp- mem-(-,k' #k(' '($ lom +' ok,#+'&! 7+ (hp #'# pe$#,(#4 &'
+#m(# +lh (e$+#'& elem-'9elem-' +lm l$-(' k#( +'&
peme'(-k' , H2 +' - l$-(' me'+# ,e+#k#( ke$-h k#( k$( e,# &'
(e$lep, +$# lom e,#! 7e'h#l'' k$( #'# e$(--' $ lp#,' &' (e$e'(-k
$el(#e le#h k-( +' (#+k m-+h me'el-p,!
7+ (hp pelp#,'3 lom e,# &' +#(emp(k' p+ po,#,# k(o+ +'
N#kel p+ po,#,# 'o+ &' (e$h--' +e'' $-, l#,($#k +lm l$-(' elek($ol#(!
7+ p$k(#k-m #'# +#-'k' l$-(' N#SO* +' +#p',k' h#' ,-h- 500;! 7+
lom ke$ pe$(m +#lk-k' p$o,e, pelp#,' ,elm 10 me'#( ,e+'k' p+
lom ke$ ke+- +#lk-k' p$o,e, pelp#,' ,elm 15 me'#(! Hl #'# +#lk-k' -'(-k
mel#h( pe'$-h 4k(- pelp#,' (e$h+p ke(el' lp#,' '#kel &' +#h,#lk'!
7+ ,( $-, me'l#$3 mk k' (e$+# $ek,# k#m# +lm l$-(' elek($ol#(3
&' m' #o' po,(#" +lm l$-(' k' e$e$k me'+ek(# k(o+ k-(- 'e(#e8
+' #o' 'e(#e k' e$e$k me'+ek(# 'o+ k-(- po,#(#"8 ,eh#' (e$e'(-k
lp#,' '#kel p+ lom e,#! Rek,# $e+-k,# e,# &' me$-pk' p$o,e, pe'e$#m'
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elek($o' (e$+# +#k(o+ +' $ek,# ok,#+,# '#kel &' me$-pk' p$o,e, pelep,'
elek($o' (e$+# +# 'o+! 7+ ,( p$o,e, pelp#,'3 e,# k' (e$l#'+-' +$# ko$o,#!
Se N# ED N#2C
N# F 903250V8 mem#l#k# po(e',# $e+-k,# &' le#h po,#(#" +$# p+ e,#
EDe2Ce F 90!**V8! Nm-'3 #l pelp#, '#kel #'# o.o$3 ,eh#' lp#,' '#kel
(e$-k3 e,# k' me'lm# ko$o,# &' le#h .ep(! Rek,# &' (e$+# +lh :
Reaksi ,i ano,a :
2H2O O2 C *HC C *e
;- ;-2C C 2e
Reaksi ,i ka(o,a :
H2O C 2e H2 C 2OH9
e2C C 2e e
7+ lom &' +#.el-pk' +lm l$-(' elek($ol#( (e$+# elem-'9
elem-'! Hl #'# k$e' p+ pe$m-k' lom (e$,e-( (e$+# peme'(-k' , H 2!
Rp( $-, &' (e$+# p+ ke+- lom &' +#.el-pk' ,ee,$ 1 A!
%$# pe'-k-$' e$( lom ,eel-m +' ,e,-+h p$o,e, pelp#,'3 (e$'&(
ke+- lom me'lm# pe'mh' e$( &' e$e+ ,ee,$ 0315 $m p+
lom ke$ pe$(m +' 031? $m p+ lom ke$ ke+-! 7e'mh' e$( #'#
me'-'-k' +'& pelp#, N#kel p+ lom ke$! Hl #'# p-' +p( +#l#h( +$#
4$' lp#,' p+ lom ke$ &' me'+# .#$# kh, '#kel! 7e'mh' lom #'#
+p( mempe'$-h# e"#,#e',# $-,! E"#,#e',# p+ pelp#,' ,elm 10 me'#( ,ee,$
?63206@ e"#,#e',# p+ pelp#,' ,elm 15 me'#( ,ee,$ 6?3@)@1 ! 7+ ,el#,#h
e$( &' ,m +e'' $#,# 4k(- #'#3 +p( +#k(k' h4 4k(- pelp#,' &'
(e$ll- lm k' mempe$ke.#l e"#,#e',# $-,! Te(p#3 ke+- e"#,#e',# &' ke.#l #'#
+#+p( k$e' p$o,e, pelp#,' '#kel &' k-$' ,emp-$' k#( $p( $-, &'
(#m-l! Rp( $-, &' (#'# +p( me'&ek' pel$-(' keml# p+ lp#,' &'
(e$e'(-k! Rp( $-, &' $e'+h me'&ek' pelep,' #o' lm( ,eh#'
mem-(-hk' 4k(- &' $el(#" lm! e$( lom 1 me'-$-( h-k-m "$+& ,ee,$
031B*1 $3 -'(-k lom 2 ,ee,$ 032611 $!
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BAB 6I
SIMPULAN
1! Hl9hl &' h$-, +#pe$h(#k' +lm pelp#,' lom pl(#'8 +#'($'& &#(-
pe$lk-' (e$h+p e'+ ke$3 l$-(' elek($ol#( &' +#-'k' ,-h- +'
homoe'#(, ko',e'($,#8 +' $p( $-,!
2! >k(- op(#m-m p$o,e, elek($opl(#' '#kel &#(- 10 me'#( +' S-h- op(#m-m p$o,e,
elek($opl(#' &#(- 500;!
)! Rp( $-, &' +#-'k' &#(- 035 A < 1 A!
*! Reaksi ,i ano,a : 2H2O - O2 C *HC C *e9
N# - N#2C C 2e
Reaksi ,i ka(o,a : H2O C 2e 9- H2 C 2OH9
e2C C 2e9 - e5! E"#,#e',# $-, p$o,e, pelp#,' +lh ,ee,$ ?63206@ p+ 4k(- p$o,e, 10 me'#(
+' 6?3@)@1 p+ 4k(- p$o,e, 15 me'#(!
DA8TAR PUSTAKA
A'o'#m! 2011!Elek($opl(#' N#kel! h((p://444!,.$#+!.om/+o.! +#k,e, 2@ %e,eme$2015
A'o'#m!h((p://444!.hem9#,9($&!o$/m(e$#k#m#/k#m#9#'+-,($#/-(#l#(,9p$#k/p$o,e,
elek($opl(#'9(em9'#kel9kh$om/ %#k,e, 2@ %e,eme$ 2015
Jo,hee( 7$k(#k-m 7e'e'+l#' Ko$o,#! J-$-,' Tek'#k K#m#: 7ol#(ek'#k Nee$# '+-'!
7$&#('o3 %4#!2005! laporan Skripsi” Perbedaan berat hasil pelapisan nikel Akibat
penggunaan lapisan dasar cu dan Tanpa lapisan dasar cu dengan variasi waktuPada
bahan baja karbon rendah”.k-l(, (ek'#k U'#e$,#(, Nee$# ,em$'!
7-$4'(o3 2005! laporan Skripsi”Pengaruh konsentrasi NiSO4 pada proses elektrolpating
nikel ”.k-l(, (ek'#k U'#e$,#(, Nee$# =o&k$(!
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LAMPIRAN
• 7e$h#(-'' e$( me'-$-( h-k-m "$+&
∆ w= I x t x Ar logam
F x valensi
∆ >1 10 me'#(8 F1 x600 x5696500 x 2 F 031B*1 $m
∆ >2 15 me'#(8 F1 x 900 x 56
96500 x 2 F 032611 $m
• 7e$h#(-'' e"#,#e',# $-,
η=selisih berat logam
berat menurut hukum faraday 100
9 E"#,#e',# -'(-k p$o,e, 10 me'#( F0,15
0,1741 100 F ?63206@
9 E"#,#e',# -'(-k p$o,e, 15 me'#( F0,18
0,2611 100 F 6?3@)@1