Multianion analysis, applications of ion chromatography - Determination of Anions in Natural and Treated Waters - page 671

900 5

1.27×10 −1

100 691.13

800 5

1.13×10 −1

100 609.85

9.87×10 -2

700 5 100 534.34

8.46×10 -2

600 5 100 463.16

500 5

7.05×10 -2

100 387.65

400 5

5.64×10 -2

30 310.19

4.23×10 −2

300 5 30 235.04

2.82×10 -2

200 5 30 150.44

100 5

1.41×10 -2

30 75.32

70 5

9.87×10 -3

10 55.12

7.05×10 -3

50 5 10 41.26

5.64×10 -3

40 5 10 30.73

30 5

4.23×10 -3

10 21.99

20 5

2.82×10 -3

10 14.87

1.41×10 −3

10 5 30 7.96

7.05×10 -4

5 5 3 3.75

4 5

5.64×10 -4

3 3.12

3 5

4.23×10 −4

3 2.08

2.82×10 −4

2 5 3 1.50

Source: Reproduced with permission from the American Chemical Society [58]

Table 12.16 Actual and equivalent response of phosphate using a concentrator column

Concn.
µg L −1

Sample
vol. ml

Micro-
equivalents

Scale µmho
cm −1

Actual response
µmho cm −1

Response
equivalent to 5ml

10000 1 .667 30 24.56 122.8

2000 5 .667 30 21.75 21.75

1000 5 .333 30 8.070 8.070

500 5 .1667 30 3.508 3.508

500 5 .1667 3 3.86 3.86

100 5 .0333 3 .702 .702

50 5 .01667 3 .318 .318

20 50 .0667 3 1.648 .1684