Chloride Ion |
NO.221L |
| Cl- |  |
 |
Performance
| Measuring Range | (25) to 1000 mg/L |
| Sampling Time | 3 minutes |
| Detecting Limit | 1 mg/L |
| Colour Change | Brown → White |
| Reaction Principle | 2Cl- + Ag2CrO4 → 2AgCl |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Store the tubes at cool and dark place. | |
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| CN- | 1 mg/L | + | White |
| Br- | 10 mg/L | + | White |
| SCN- | 30 mg/L | + | White |
| Fe2+ | 200 mg/L |  |
No ( 1000 mg/L) |
| Fe3+ | 200 mg/L | |
White |
| F- | 500 mg/L | |
No ( 1000 mg/L) |
| I- | 50 mg/L | + | White |
| S2- | 5 mg/L | + | Blackish gray |
| SO42- | 2000 mg/L | |
White |
