Ion Chromatography Concentration Exam Practice

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.65

Chloride

22.134

2.228

2

2.74

Nitrate

15.767

2.363

3

3.19

Sulfate

21.866

3.378

Concentrations of ions in this standard solution:

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CHECK STANDARD/INSTRUCTOR STANDARD

Chloride: 40.0 ppm

Nitrate: 20.0 ppm Sulfate: 20.0 ppm

Concentrations of Standard Solutions: Ion

Chromatography

Chloride: 3292.4 ppm as NaCl

Nitrate: 2730.2 ppm as NaNO3

Sulfate: 1491.6 ppm as Na2SO4

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 1

31.924

3.151

word image 2940

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 2

31.924

3.183

word image 2941

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 3

31.924

3.214

word image 2942

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 4

31.924

3.246

word image 2943

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 5

31.924

3.120

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Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 6

31.924

3.089

word image 2945

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 7

31.924

3.059

word image 2946

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

1.64

Unknown 8

31.924

3.277

word image 2947

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 9

13.367

2.121

word image 2948

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 10

13.367

2.142

word image 2949

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 11

13.367

2.163

word image 2950

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 12

13.367

2.185

word image 2951

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 13

13.367

2.206

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Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 14

13.367

2.100

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Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 15

13.367

2.079

word image 2954

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

2.75

Unknown 16

13.367

2.059

word image 2955

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 17

23.660

3.561

word image 2956

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 18

23.660

3.597

word image 2957

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 19

23.660

3.632

word image 2958

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 20

23.660

3.668

word image 2959

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 21

23.660

3.703

word image 2960

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 22

23.660

3.526

word image 2961

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 23

23.660

3.491

word image 2962

Peak No.

Retention Time

Peak Name

Height (µS)

Area (µS*min)

1

3.20

Unknown 24

23.660

3.457

word image 2963

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