上海樂丁電子科技有限公司
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具體成交價以合同協(xié)議為準產品簡介
Measuring Range 10 to 200 mg/L
Sampling Time 1 minutes
Detecting Limit 3 mg/L
Colour Change Brown → White
Reaction Principle 2Cl- + Ag2CrO4 → 2AgCl + CrO42-
產品介紹
| Performance | |||
| Measuring Range | 10 to 200 mg/L | ||
| Sampling Time | 1 minutes | ||
| Detecting Limit | 3 mg/L | ||
| Colour Change | Brown → White | ||
| Reaction Principle | 2Cl- + Ag2CrO4 → 2AgCl + CrO42- | ||
| 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- | 10 mg/L | + | White（1mg/L） |
| Br- | 10 mg/L | + | White（10mg/L） |
| SCN- | 1 mg/L | + | White（100mg/L） |
| Fe2+ | 20 mg/L | - | No （1000 mg/L） |
| Fe3+ | 20 mg/L | + | White（20mg/L） |
| F- | 1000mg/L | No | No （1000 mg/L） |
| I- | 20 mg/L | + | Pale yellow （20mg/L） |
| S2- | 3 mg/L | + | Blackish gray （3mg/L） |
| SO42- | 1000 mg/L | No | No （1000mg/L） |
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