Indicator: 10 ~ 100 ppm
Measuring Range: 10 ~ 100 ppm
Sampling Time: 2 minute
Colour Change: White → Brown
Reaction Principle: S2- + Pb(CH3COO)2→ PbS
Nr. of tests: 10
Detail
Performance
Measuring Range | 10 to 100 ppm |
Sampling Time | 2 minutes |
Detecting Limit | 1 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. |
Possible coexisting substances and their interferences (NOTE)
Substance | Concentration | Interference | Changes colour by itself to |
Cl- | ≧ 15000 ppm | + | No |
CrO42- | ≧ 100 ppm | ![]() |
Yellow |
CO32- | ≧ 500 ppm | + | No |
SO32- | ≧ 100 ppm | ![]() |
No |
S2O32- | ≧ 100 ppm | + | No |
- 质量承诺
- 正品保修
- 送货到家
- 交易简单化