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Influence of CTAB, HA, and FA on the Cd(II) voltammetric signal at different temperatures. Concentration of Cd(II) 5 × 10−8 M.
| Organic Substance | Temperature (°C) | Maximum Allowable Concentration of Organic Substances That Does Not Interfere with the Cd(II) Signal (ppm) | |
|---|---|---|---|
| Without Mixing with Resin | With Mixing with Resin | ||
| CTAB | 20 | 1 | 20 |
| 30 | 2 | 23 | |
| 40 | 3 | 28 | |
| 50 | 3 | 30 | |
| 60 | 2 | 24 | |
| HA | 20 | 1 | 10 |
| 30 | 1.5 | 14 | |
| 40 | 2.5 | 16 | |
| 50 | 2 | 20 | |
| 60 | 1 | 12 | |
| FA | 20 | 1 | 20 |
| 30 | 1.5 | 25 | |
| 40 | 2 | 28 | |
| 50 | 2 | 29 | |
| 60 | 1 | 25 | |
