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简单介绍：
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
详情介绍：
Zinc Ion NO.285
Zn
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 complexcompound | ||
Shelf Life | 3 Years | ||
Corrections for temperature &humidity | Water temperature correction isnecessary | ||
Store the tubes at cool and darkplace. | |||
Possible coexisting substances and theirinterferences (NOTE) | |||
Substance | Concentration | Interference | Change colour by itselfto |
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) |