Experiment

HCOONa

[M]

Volume

[mL]

Anion Exchange Mass

[g]

Substituted HCOO⁻

[M]

Adsorption (RSD)^a

[%]

1

0.05

10

3.4542 ± 0.0743

0.038 ± 0.001

76.1 (0.6)

2

0.05

15

3.4530 ± 0.1975

0.035 ± 0.001

70.8 (1.7)

3

0.25

10

3.4653 ± 0.1810

0.122 ± 0.014

48.9 (5.6)

4

0.25

15

3.4732 ± 0.1695

0.109 ± 0.005

43.6 (1.8)

5

0.50

10

3.4649 ± 0.1013

0.199 ± 0.027

39.9 (5.5)

6

0.50

10

6.9206 ± 0.1238

0.265± 0.007

52.9 (1.4)

7

0.50

10

3.4937 ± 0.0367

0.321± 0.031

64.1^c (6.2)

5^b

3.4953 ± 0.0285