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議為準產品簡介
Measuring Range 3 to 20 mg/L
Sampling Time 3 minutes
Detecting Limit 0.5 mg/L
Colour Change Pale orange → Reddish purple
產品介紹
| Performance | |||
| Measuring Range | 3 to 20 mg/L | ||
| Sampling Time | 3 minutes | ||
| Detecting Limit | 0.5 mg/L | ||
| Colour Change | Pale orange → Reddish purple | ||
| Reaction Principle | Zn + Indicator → Reddish purple complex compound | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature & humidity | Water temperature correction is necessary | ||
| 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 | + | No （100mg/L） |
| Fe2+ | 1 mg/L | + | Reddish purple （3mg/L） |
| Fe3+ | 2 mg/ L | + | No （100mg/L） |
| Ni | 2 mg/ L | + | Purple（whole layer） （2mg/L） |
| Cu | 0.1 mg/L | + | Reddish purple （0.1mg/L） |
| Mn | 0.5 mg/L | + | Purple （3mg/L） |
| Pb | 0.5 mg/L | + | No （100mg/L） |
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