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
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
產品介紹
| 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 | Change colour by itself to |
| CO32- | 20 ppm | No | No （1%） |
| Cl- | 100 ppm | No | No （5%） |
| Cr6+ | 0.2 ppm | - | Yellow（1ppm） |
| CO32- | 500 ppm | No | No （1%） |
| S2O32- | 20 ppm | No | No （1%） |
| I- | 200 ppm | No | Yellow（3000ppm） |
| SO42- | 100 ppm | No | No （1%） |
| PO43- | 100 ppm | No | No （1%） |
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