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简单介绍：
硫化物检测管201L Sulphide，Performance Measuring Range 0.002 to 0.02 mg Sampling Time 45 seconds per 1 pomp stroke Detecting Limit 0.0002 mg Colour硫化物检测管价格
详情介绍：
硫化物检测管201L Sulphide Sulphide NO.201L 
Performance | |||
Measuring Range | 0.002 to 0.02 mg | ||
Sampling Time | 45 seconds per 1 pomp stroke | ||
Detecting Limit | 0.0002 mg | ||
Colour Change | White → Brown | ||
Reaction Principle | Gus generation tube : Sulphides +H2SO4 →H2S Detector tube : H2S + Pb(CH3COO)2 → PbS | ||
Shelf Life | 3 Years | ||
Corrections for temperature &humidity | Unnecessary | ||
Coefficient ofVariation 5%(for 0.002 to 0.02 mg) | |||
Possible coexisting substances and theirinterferences (NOTE) | |||
Substance | Concentration | Interference | Change colour by itselfto |
Chlorideion | No | No | |
Chromate ion | No | No | |
Carbonate ion |
| No | No |