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 | 64.1c (6.2) |
5b | 3.4953 ± 0.0285 |