Chauvin Arnoux CSD 22 Notice De Fonctionnement page 28

6.2 CONDUCTIVITY OF REFERENCE SOLUTIONS OF POTASSIUM
CHLORIDE AT 20°C
Concentration
(mol.L -1 )
1
0.400
0.200
0.150
0.100
0.067
0.050
0.040
0.033
0.025
0.020
0.015
0.010
0.008
0.0067
0.005
0.004
0.0033
0.0025
0.002
0.0015
0.001
Nota: Take all essential precautions to obtain accurate measurements and
homogeneous solutions.
Dilution
Potassium chloride ............ 74.56g
Distilled water ................ q.s.p. 1 000 mL
Volume of solution
1 mol.L -1 (mL)
40
20
15
10
6.6
5
4
3.3
2.5
Volume of solution
0.1 mol. L (mL)
-1
20
15
10
8
6.6
5
4
3.3
2.5
2
1.5
1
Distilled water
(mL)
100
q.s.p.
100
100
100
100
100
100
100
100
Distilled water
(mL)
100
q.s.p.
100
100
100
100
100
100
100
100
100
100
100
28
Conductivity
mS/cm
112.359
41.660
22.070
16.390
11.700
7.812
5.988
4.807
4.032
3.048
Conductivity
µS/cm
2,510
1,851
1,279
1,000
843.8
653.5
512.8
430.1
325,2
298.5
196
132.5