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Indicator: 1 ~ 100 ppm
Measuring Range: 1 ~ 100 ppm
Sampling Time: 2 minute
Colour Change: White → Brown
Reaction Principle: S2- + Pb(CH3COO)2 → PbS
Nr. of tests: 10
Pump: GV-100
| Measuring Range | 1 to 100 ppm |
| Sampling Time | 2 minutes |
| Detecting Limit | 0.5 ppm |
| Colour Change | White → Brown |
| Reaction Principle | S2- + Pb(CH3COO)2 → PbS |
| Shelf Life | 3 Years |
| Corrections for temperature & humidity | Unnecessary |
| Store the tubes at cool and dark place. | |
| Substance | Concentration | Interference | Changes colour by itself to |
| CO32- | ≧ 500 ppm | + | No |
| Cl- | ≧ 5000 ppm | + | No |
| CrO42- | ≧ 25 ppm |  |
Yellow |
| SO32- | ≧ 300 ppm | |
No |
| S2O32- | ≧ 50 ppm | Unclear demarcation | No |
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Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
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Liquid detector tube
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