Data Pengamatan Inhibitor Aerasi

7/25/2019 Data Pengamatan Inhibitor Aerasi

1/19


2/19

LABORATORIUM KOROSI

SEMESTER GENAP TAHUN AJARAN 2014/2015

MODUL :Inhibitor Korosi

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

Oleh :

Kelompok : $III %De&!'!n(

Nama : 1. )*nne R!'+!e&! NIM 1,142402-

2. Le"n! !+*!n" NIM 1,142402

,. R"+! N D!r!!n NIM 1,142403

Kelas : ,A Ten" ""! Pro67" Ber7"+

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

JURUSAN TENI IMIA

POLITENI NEGERI BANDUNG

#$%&

Tan''al Praktik(m : 2, De7e8er 2015

Tan''al Pen)erahan : 15 J!n6!r" 2019

*Laporan+


3/19

BAB I

P!NDA"ULUAN

% Latar Belakan'

Unt6 e&"n6n" o'onen 76!t6 &o! en!n en6n!!n "n+"8"tor. B!+!n "n+"8"tor

en6nt6n!n 6nt6 en!n!n" &o!;&o! 8e7" !ren! !'!t en+!8!t &!

!&! &!r6t!n N!&

; M!+!7"7! !'!t en+"t6n &!


4/19

BAB II

TIN-AUAN PUSTAKA

#.% Lan/asan Teori

In+"8"tor !!&!+ >!t or!n" !6'6n !nor!n" *!n "t!8!+!n e!&! 76!t6 &"n6n!n 6nt6

enen!&"!n 'ro7e7 oro7". S"=!t;7"=!t 7e86!+ e&etro&"t !'!t "68!+ 6nt6 e8!t!7" !re7"="t!7

ter+!!' 'er6!!n &o!. Ion;"on *!n '!&"n !re7"= *!n !'!t en*er!n 'er6!!n &o! 8!

!!&!+ "on;"on 76&=!t# t"o76&=!t# t"o7"!n!t# !n &or"!. Unt6 en+!8!t "on;"on !re7"= ter7e86t !'!t

"t!8!+!n "n+"8"tor n"tr"t 7e+"n! !'!t en6r!n" &!!t;>!t *!n "t!8!+!n e !&! e&etro&"t# 7e+"n! !'6

!n!+!n ter

Unt6 "n+"8"tor !no" nono7"!tor n!no7"!tor *!"t6 o&"8!t# 7"&"!t# =o7=!t# !n 8or!@/!!n*!

"n+"8"tor !no" en+!7"&!n 7e&!'6t '!7"= t"'"7 '!! 'er6!!n !no! 7e+"n! en+!8!t &!

!ren! '!! !er!+ !to" ter8ent6 &o! +"ro7"! %MOH( *!n 76!r &!r6t !n ene'e& 6!t '!!

'er6!!n &o! 7e+"n! en+!8!t &!


5/19

U6r &6!7 'er6!!n !7"n;!7"n '&!t 8!

er"n!n !n t"8!n !7"n;!7"n '&!t 8!

6?" '&!t 8!

Men!'e&!7 7e6! '&!t 8!

3,56 gr NaCl 1000 ml Aquades

Diaduk hingga homogen

BAB III

P!R0OBAAN

1.% Alat Dan Bahan

ALAT BA"AN

Ge&!7 '&!7t" 250 & 86!+ L!r6t!n N!& ,#59 '&Ge&!7 ""! 250 & 4 86!+ L!r6t!n !&"6 8"ro!t %2r2O-( 5

L!86 t!!r 1000 & L!r6t!n 8or!@ %N!2B4O-( 1

Ge&!7 66r 100 & L!r6t!n !'6r %!O( 1

P"'et 66r 25 & A6!e7

Bo&! "7!' P&!t 8!

B!t!n 'en!6 ert!7 !'e&!7

S'!t6&! ert!7 !&66n"6 =o"&

ert!7 7!r"n

1.# Lan'kah Ker,a

1.#.% Persiapan Ben/a Ker,a

1.#.# Persiapan lar(tan

1.#.#.% Lar(tan Na0l 12&3 'pl


6/19

2,5 gr K2Cr2O7 50 ml Aquades


0,5 gr Na2BO7 50 ml Aquades


0,5 gr CaO 50 ml Aquades


1.#.#.# Lar(tan Kali(m bikromat &4

1.#.#.1 Lar(tan Bora5 %4

1.#.#6 Lar(tan Kap(r %4

1.1 Proses Korosi

Sarin' lar(tan

/en'an kertas sarin'


7/19

Me!76!n 5 & &!r6t!n !&"6 8"ro!t e !&! e&!7 '&!t" %e# =(

Me!76!n 5 & &!r6t!n 8or!@ 1 e !&! e&!7 '&!t" %?# (

Me!76!n 5 & &!r6t!n !&"6 8"ro!t 5 e !&! e&!7 '&!t" %!# 8(

Me!76!n 100 & &!r6t!n N!& ,#59 '& e !&! 7et"!' e&!7 '&!7t"

%!# 8# ?# # e# =# # +(

Men*"!'!n e'!&!n 86!+ e&!7 '&!7t" *!n 76!+ "8er7"+!n

Logam 1 Logam 2 Logam 3 Logam 4

NaCl + K2Cr2O7NaCl NaCl + Na2B4O7NaCl + CaO

T"8!n !7"n;!7"n '&!t 8!

Ber7"+!n '&!t 8!

1.6 Tanpa Aerasi

1.6.#6 Aerasi


8/19

Logam 5 Logam 6 Logam 7 Logam 8

NaCl + K2Cr2O7NaCl NaCl + Na2B4O7NaCl + CaO

T"8!n !7"n;!7"n '&!t 8!

Ber7"+!n '&!t 8!


9/19

BAB I

"ASIL DAN P!MBA"ASAN

6.% Data Pen'amatan

6.%.% Pen'amatan 7isik

6.%.%.% Pen'amatan Tanpa Aerasi

NoL"n6n!n

E&etro&"te!!!n A!& Pen!!t!n e!!!n Ter!+"r Pen!!t!n

1N!& t!n'!

!er!7"

T"! ter

teroro7" *!"t6 ter!'!t

&!'"7!n 8er!rn! ?o&!t !n

!! 7e""t !rn! +"

'!! 7e8!"!n &o! !n

!!n*! en!'!n;en!'!n

e?"& +!7"& !r" oro7"

2

N!& C

ro!t t!n'!

!er!7"

T"! ter


8!n*! en!'!n;en!'!n

*!n ene'e& "7e"t!r

&o! !n e86!t er6+

&!r6t!n 7ert! !!n*!

e&e86n "7e"t!r &o!

,

N!& C

8or!@ t!n'!

!er!7"

T"! ter


&!'"7!n !rn! ?o&!t

e+"t!!n "7e&6r6+

'er6!!n &o! !n 7ert!

&!r6t!n en


10/19

4N!& C !O

t!n'! !er!7"

T"! ter


&!'"7!n 8er!rn! +"t!

"7e8!"!n 'er6!!n

&o! !n 7ert! &!r6t!n

en

6.%.%.# Pen'amatan Den'an Aerasi


11/19

6.%.% Data Perhit(n'an

No.

Lo'a

m

L(as Perm(kaan

%?2(

Berat A8al

%r(

Berat Akhir

%r(

9

%r(!lektrolit

Non Aerasi

1. 20.6 3.-9 3.-, 0.0, N!& C !O

2. 21.4 10.19 10.14 0.02 N!& C ro!t

,. 21.6 10.,1 10.2- 0.04 N!& C 8or!7

4. 22.4 10.0 10.04 0.04 N!&

Aerasi

5. 21.2 10.14 10.12 0.02 N!& C !O

9. 21.40 10.23 10.2, 0.09 N!& C ro!t

-. 21.40 10.1 10.1, 0.05 N!& C 8or!7

. 21.2 10.2- 10.2, 0.04 N!&


12/19

6.# "asil Perhit(n'an

6.# Perhit(n'an La,( Korosi

L!


13/19

No E&etro&"t L6!7 Per6!!n

%?2(

)

%r(

Den7"t!7

% gr /cm3

(

t

%*e!r(

r

%?/*e!r(

r

%'*(

T!n'! Aer!7"

1 N!& C !O 20.90 0.0, -.9 0.0,,59 0.00399114 1.301-3,,

2 N!& C ro!t 21.40 0.02 -.9 0.0,,59 0.0091333 1.22049-1

, N!& C 8or!7 21.90 0.04 -.9 0.0,,59 0.0122515 2.41,,915

4 N!& 22.40 0.04 -.9 0.0,,59 0.01149,3 2.,,139-

Aer!7"5 N!& C !O 21.2 0.02 -.9 0.0,,59 0.00,02-5 1.1393-152

9 N!& C ro!t 21.4 0.09 -.9 0.0,,59 0.0032945- ,.991,3044

- N!& C 8or!7 21.4 0.05 -.9 0.0,,59 0.00--204 ,.05115-

N!& 21.2 0.04 -.9 0.0,,59 0.00905-5 2.,3,34,0,


14/19

!3 "en#a$ian Da%a

0

0.5

1

1.5

2

2.5

3

3.5

4

AERASI

TANPA AERASIla$u korosi &m'#(

G!8!r 1. Gr!=" L!Ano!: e e2CC 2e;

!to!: 2H2O C 2e; 2OH;C H2

M!! "on e2C!!n 8er"!t!n en!n "on OH ;!n e8ent6 &o! +"ro7"! 7e76!" re!7"

8er"6t:

e2C%!( C 2OH;%!( e%OH(2%!(

e6"!n e8ent6 en!'!n 8er6'! !r!t# re!7"n*! !!&!+:

e%OH(2%!( C H2O e2O, . @H2O


15/19

P!! !t! 'en!!t!n# !'!t "&"+!t 8!+! 8e7" *!n te&!+ " "!!n !&! &!r6t!n N!&

8er68!+ en

"6n!!n '!! 'r!t"6 *!"t6 ?!'6r!n 8e7" en!n !r8on 7e+"n! !r8on *!n teroro7"

en

ro!t er6'!!n "n+"8"tor !no" o7"!tor. ro!t er6'!!n "n+"8"tor *!n

e!7"=!n !no! en!n re!7" reo7 *!n ter

O7"!7": 2e C 2H2O e 2O,C 9HCC 9e ;

Re67": 2rO4;C 10HC C 9e ; r2O, C 5H 2O

Se8!!" "n+"8"tor !no"# 7en*!! ro!t en6r6n!n 'oten7"!& &o! 8!

8er&!n76n. Se&!"n "t6# ter!'!t

en6r6n!n &!

8e!rn! +"t!. In+"8"tor !O "n" en68!+ O2*!n !re7"= "68!+ en

t"! !re7"=. !O en!n !"r !'!t e8ent6 !%OH(27e76!" en!n 'er7!!!n re!7" 8er"6t:

!O C H2O !%OH(2!%OH(2C H2O, !%HO,(2C2H2O

In+"8"tor !to" "n" !!n &!n76n e8!! &o! e e !er!+ "6n. L!


16/19

en!n 8or!@ *!n t"! "!er!7". !n6n!n o7"en '6n e'en!r6+" &!

e!n"7e 7e'ert" 8er"6t "n":

N!&%!(N!C

%!(C &;%!(

Ion &; er6'!!n 7!&!+ 7!t6

en+!8!t !t!6 e'er&!8!t 76!t6 re!7" ""!. Se!n!n "n+"8"tor oro7"

!!&!+ 76!t6 >!t ""! *!n 8"&! "t!8!+!n e!&! 76!t6 &"n6n!n# !'!t

en6r6n!n &!

ro!t 7e8!!" "n+"8"tor !no" 7ert! 8or!7 !n !'6r 7e8!!" "n+"8"tor !to".

In+"8"tor;"n+"8"tor ter7e86t "t!8!+!n en!n o&6e *!n 7!! e !&! &!r6t!n

N!& " &"n6n!n &o! 8!

Sete&!+ ""!!n 7e&!! t6!!n r67! et"! ter


17/19

Ber!7!r!n !t! 'en!!t!n !n 'eno&!+!n !t!# &!

Se?!r! e7e&6r6+!n# n"&!" &!


18/19

BAB *

K+-."/AN

; M!+!7"7! !'!t en

!&!

&!r6t!n N!&

; M!+!7"7!

!'!t

en+"t6n

&!

1 N!& C !O 14 1.167152

2 N!& C ro!t 14 3.6613044

, N!& C 8or!7 14 3.0511587

4 N!& 14 2.334303

T!n'! !er!7"

5 N!& C !O 14 1.017833

9 N!& C ro!t 14 1.22046871- N!& C 8or!7 14 2.41833615

N!& 14 2.33167


19/19

0

0.5

1

1.5

2

2.5

3

3.5

4

AERASI

TANPA AERASIla$u korosi &m'#(

N!t"n# A# Dr7. MT. D. 2002.FTen" Penen!&"!n oro7"F. J6r67!n Ten" ""!# Po&"ten" Neer"

B!n6n.

Data Pengamatan Inhibitor Aerasi

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