lab report (conductometric titration)
Post on 07-Jul-2018
315 Views
Preview:
TRANSCRIPT
-
8/18/2019 Lab Report (Conductometric Titration)
1/14
LAPORAN INDUSTRI PROSES
Lab Report (Conductometry Titration)
Oleh:
Fitri Nafisa (151424013)
Nurlailatush Sholihah(151424021)
PROGRA STUDI DI!"TE#NI# #IIA PRODU#SI $ERSI%
JURUSAN TEN! !"!A
#O$!TEN! NE%ER! &AN'UN%
201
-
8/18/2019 Lab Report (Conductometric Titration)
2/14
I& Introduction
Titratio is the a *etho+ of +eter*ii, the -o-etratio of a u.o/ solutio
(the aalte) rea-ti, it -o*letel /ith a sta+ar+ie+ rea,et that is a solutio of
.o/ -o-etratio (the titrat)
o+u-to*etr titratio is oe of 6arious tes of titratio The +ifferet et/ee
-o+u-to*etr titratio a+ 6olu*etri- titratio is ho/ to +eter*ie the e7ui6ale-e oit
of the solutio !f usi, 6olu*etri- titratio8 the e7ui6ale-e oit is .o/ /he it
-ha,es -olor /he the susta-e is i e7uiliriu* !+i-ators are use+ to *a.e it easier to
see the susta-e has rea-he+ the e7ui6ale-e8 /hile e7ui6ale-e oit of -o+u-to*etr
titratio -a e +eter*ie+ fro* the -o+u-ti6it of solutio that *easure+ a+ this
titratio ot use i+i-ators
II& Aim'
• 'o -o+u-to*etr titratio
• To +eter*ie e7ui6ale-e oit
• To +eter*ie -o-etratios of solutio
III& Principe T*eory o+ Conductometry Titration
,&- Conductometry
o+u-ta-e (%) ease /ith /hi-h -urret flo/s er uit area of -o+u-tor er uit
otetial alie+ 9 is re-iro-al to resista-e (R)
Se-ifi- -o+u-ta-e (): -o+u-ta-e of the o+ of uifor* le,th(l) 9 uifor* area
-ross se-tio(A)
III&. Conductometry Titration
o+u-to*etr titratio is relate+ /ith ele-tri-al -o+u-ti6it8 so /ill e relate+
/ith the rese-e of ios i solutio /hi-h ser6es to -o+u-t ele-tri- -urret i the
solutio This ele-tri- -urret -a ot e asse+ throu,h a solutio that is ot -otaie+
ios8 so that the oele-trolte solutio -a ot -o+u-t ele-tri-it o+u-to*etr
titratio is also hi,hl -orrelate+ /ith the -o-etratio a+ te*erature of the solutio to
e +eter*ie+ the o/er sul So that the te*erature of the solutio *ust e .et i a
state of -ostat8 if the te*erature is -ha,e8 it /ill affe-t if a ,reat -o-etratio that
% ; 1 1 = A
-
8/18/2019 Lab Report (Conductometric Titration)
3/14
shoul+ ha6e a ,reat -o+u-ti6it ut it resulti, the s*aller 6ealue of the -o+u-ti6it
e-ause the te*erature ,oes +o/ So that the ios i solutio -a ot stir freel
Tes of -o+u-to*etr titratio +i6i+e+ ito si> tes8 the are: A-i+ ?ase or
eutral titratios8 Rela-e*et or +isla-e*et titratios8 Re+o> titratios8 #re-iitatio
titratios8 o*le>o*etri- titratios a+ Noa7ueous titratios
The e>a*le of ti-al A-i+ ?ase or eutral titratios:
• Stro, a-is stro, ase ( @l 6s NaO@ )
• Stro, a-i+/ea. ase ( @l 6s N@4O@ )
• ea. a-i+Stro, ase ( @3OO@ 6s NaO@ )
• ea. a-i+ /ea. ase ( @3OO@ 6s N@4O@ )
-
8/18/2019 Lab Report (Conductometric Titration)
4/14
III&, Principe o+ Conductometry Titration
The ri-ile of -o+u-to*etr titratio is ase+ o the fa-t that +uri, the
titratio8 oe of the ios is rela-e+ the other a+ i6arial these t/o ios +iffer i the
ioi- -o+u-ti6it /ith the result that -o+u-ti6it of the solutio 6aries +uri, the -ourse
of titratio The
e7ui6ale-e
oit *a e
lo-ate+
,rahi-all
lotti, the
-ha,e i -o+u-ta-e as a fu-tio of the 6olu*e of titrat a++e+
I!& Too' and ateria'
!& Procedure' / Critica Step'
Too' ateria'
o+u-to*eter 0 l 081 " of Solutio
Ele-tro+e of !**ersio ell Natriu* @+ro>i+e 081 N
&ea.er %lass 100 *$ @+ro-hlori- A-i+ 081 N
Sra &ottle Aseti- A-i+ 081 N"a,eti- Stirrer O>ali- A-i+
&urette
@otlate Stirrer
-
8/18/2019 Lab Report (Conductometric Titration)
5/14
$ift ele-tro+e8 /ash a+ +r it
#ress BSta+ C otto* (ele-tro+e a+ -o+u-to*eter ha6e ee -alirate+)
Si B5ourseC otto* i BoffC ositio a+ -ha,e the 6alue of B5ell 5ostatC util B5ON'C+isla sho/ the 6alue that /e /at (li.e ste D)
Set otto* B5ON'C8 se-if the se-ifi- -o+u-ti6it /hi-h is aroriate to the te*erature
#ress Bte*C otto*8 rea+ the te*erature a+ set the 6alue
'i the ele-tro+e i a solutio of 041 " 5$
Set BFREC i 2 @38 BTE"#C i #t 100 8 BRAN%EC i fi>e+
Set the te*erature -oeffi-iet at a 6alue of 2
Set the -ostat -ell /hi-h is aroriate /ith the ele-tro+e
#ut i**ersio -ell ele-tro+e ito so-.et i a-. of -o+u-to*eter
#ress Bo
-
8/18/2019 Lab Report (Conductometric Titration)
6/14
( #i-ture 1 )
!I& Re'ut
A Sta+ar+iatio NaO@
-
8/18/2019 Lab Report (Conductometric Titration)
7/14
"ass of O>-ali- : 03 ,r
olu*e : 100 *$
O>ali- a-i+ -o-etratio : 01 N
No NaO@ (*$) (*S
-
8/18/2019 Lab Report (Conductometric Titration)
8/14
11 205 DD1
12 21 41
13 215 5HH
14 22 305
15 225 342
1 23 34D1G 235 355
1D 24 401
1H 245 44D
20 25 44
21 255 4HG
22 2 533
23 25 55G
24 2G 5G1
25 2G5 5D5
2 2D 1
2G 2D5 2G2D 2H 3H
2H 2H5 53
30 30 5
31 305 GG
32 31 DD
33 315 HG
34 32 G0H
35 325 G1G
3 33 G2G
3G 335 G35
3D 34 G4H
3H 345 G55
40 35 G3
'eter*iatio -o-etratio of @3OO@ 01 N
No olu*e NaO@ (*$) o+u.ti6itas
(*S
-
8/18/2019 Lab Report (Conductometric Titration)
9/14
10 D 4D
11 D5 4G
12 H 45G
13 H5 443
14 10 423
15 105 4031 11 3DG
1G 115 3G
1D 12 34H
1H 125 335
20 13 32D
21 135 32D
22 14 333
23 145 34
24 15 34D
25 155 355
2 1 352G 15 3G2
2D 1G 3D1
2H 1G5 3D4
A %rahi- +eter*iatio -o-etratio of NaO@
3 4 10 12 15 13 14 20
0
0'/
1
1'/
2
2'/
66'/
5
5'/
Volume NaOH (mL)
Konductivity (mS/cm)
-
8/18/2019 Lab Report (Conductometric Titration)
10/14
& %rahi- +eter*iatio -o-etratio of @l
10 1/ 20 2/ 60 6/ 50
0
2
5
3
4
10
12
Volume NaOH (mL)
konductivity (mS/cm)
%rahi- +eter*iatio -o-etratio of @3OO@
-
8/18/2019 Lab Report (Conductometric Titration)
11/14
-
8/18/2019 Lab Report (Conductometric Titration)
12/14
!II& Di''cu'ion
! this ra-ti-e of Bo+u-to*etr titratioC is a *etho+ to +eter*ie the e+ oit
of titratio of a solutio ase+ o io -aailities i +eli6eri, a ele-tri-al -har,e et/ee
t/o ele-tro+es (@!"ATE8 #O$&AN 2014) The ele-tro+e use+ i this e>eri*et is a
i**ersio -ell ele-tro+e Ea-h *aterial is *easure+ the -o+u-ti6it to .o/ its ailit to
,eerate free ios i the *aterial roerties that are .o/ to -o+u-t ele-tri-it (@!"A8
#O$&AN 2012)
&efore *easure*et 8 the tools *ust e -alirate+ first to set the -ell -ostat i
a--or+a-e /ith ele-tro+es that are use+ a+ to re+u-e the error rea+i, to ,et the a--ura-
result ! the -aliratio ro-ess is +oe +ii, the ele-tro+e ito the l solutio 01
"8 e-ause the l solutio 081 " has -o+u-ti6it 6alue that are .o/ i 6ariouste*erature8 so the -ell -ostat -a e +eter*ie+ Fro* the result of -aliratio otaie+
-ell -ostat of 0D1 *1 a+ -o+u-ti6it of 125D *Seri*et are use+ fe/ tes of solutio su-h as O>ali-
A-i+ 01 N to sta+ar+ie+ the NaO@8 solutio of @l 01 N a+ @3OO@ 01 N
Sta+ar+iatio of NaO@ /ith o>ali- a-i+ ai*s to .o/ the sure -o-etratio of
NaO@8 e-ause thereIs a ossiilit of NaO@ ei, h,ros-oi- or eas to -at-h /ater
6aor a+ /ater if it left too lo, it *i,ht -ha,e the -o-etratio &ase+ o the
e>eri*et8 otaie+ the -o-etratio of NaO@ 081G3H N This -o-etratio is +ifferet
/ith the -o-etratio that /ere o the tale (01 N)
After sta+ar+ie+ the solutio of NaO@8 the +o the titratio /ith NaO@ solutio
as the titrat8 /hi-h the titrat /as @l solutio 01 N &efore starti, the titratio first
-he-. the -o+u-ti6it te of @l a+ the result is 0D2 *S the
solutio /ith *a,eti- stirrer to ,et the oti*al -o+u-ti6it te so the ios srea+
e6el
-
8/18/2019 Lab Report (Conductometric Titration)
13/14
Fro* the -o+u-to*etri- titratio of NaO@ ? @l otaie+ the -o+u-ti6it
solutio ea-h a++e+ 05 *$ NaO@8 after that *a.e a ,rahi- so the shae of the -ur6e
see*s li.e the letter This shae si,if that at the first of the titratio8 the solutio
-o+u-ti6it te+ to +i*iish a+ after asse+ the e7ui6alet oit8 the -o+u-ti6it te+ to
i-rease This e-ause efore the NaO@ a++e+8 i the solutio -otai the @ ios a+ l
that ea-h of it has their o/ 6alue of the *olar -o+u-ti6it &efore the e7ui6alet oit8
the a*out of @ i the solutio +i*iish e-ause it @2O for*e+ io O@8 /hile the
a*out of NaO@ i-reases e-ause of the a++itio Na has a *olar -o+u-ti6it 6alue
s*aller tha @ so the total -o+u-ti6it 6alue fro* the solutio ,oes +o/ O the e+
oit of titratio8 @ o the solutio has rea-te+ -o*letel /ith O@8 a++e+ *ore
NaO@ /ill i-rease the total -o+u-ti6it 6alue of the solutio8 e-ause the *olar
-o+u-ti6it of O@ are i,,er Fro* the ,rahi-8 otaie+ a e7ui6alet oit o 6olu*e
22 *$8 so it ,et the -o-etratio of @l solutio 012G5 N (it +ifferet /ith the
-o-etratio that /ritte i the lael)
After that8 +o the titratio o @3OO@ solutio 01 N8 the first -o+u-ti6it te of
this solutio is 051 *S
-
8/18/2019 Lab Report (Conductometric Titration)
14/14
2 o+u-ti6it 6alue of @l solutio is i,,er tha the -o+u-ti6it 6alue of @3OO@
solutio3 o+u-ti6it 6alue of @l solutio a+ @3@OO@ solutio are 0D2 *S
top related