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Table 2 The ppb amounts of prepared standard anion solutions, real resistance determined by fitting the Nyquist plot and error measured at 25.0 °C

From: Determining detection limits of aqueous anions using electrochemical impedance spectroscopy

Chloride

ppb

Ω

Bicarbonate

ppb

Ω

Carbonate

ppb

Ω

Acetate

ppb

Ω

Sulfate

ppb

Ω

3545

68.4 ± 0.3

6102

237 ± 5

600

574 ± 31

590.4

699 ± 8

5960

72 ± 1

354.5

656 ± 19

610.2

907 ± 103

60

906 ± 40

59.04

1219 ± 21

596.0

577 ± 34

35.45

1431 ± 131

61.02

2177 ± 78

6

1181 ± 27

5.904

2203 ± 28

59.60

1689 ± 89

3.545

1977 ± 219

6.102

2363 ± 52

0.6

2000 ± 26

0.5904

2401 ± 119

5.960

2165 ± 48

0.3545

2697 ± 87

  

0.06

2695 ± 83

  

0.5960

2518 ± 52