- 产品品牌：
- 日本gastec
- 产品型号：
- 211H
- 类型：
- 水质在线分析仪
211H硫化物水质检知管 S2-的详细介绍
sulphide Ion NO.211 S2-
| Performance | |||
| MeasuringRange | 1 to 100 ppm | ||
| SamplingTime | 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 darkplace. | |||
| Possiblecoexisting substances and their interferences(NOTE) | |||
| Substance | Concentration | Interference | Changecolour by itself to |
| CO32- | 500 ppm | + | No |
| Cl- | 5000 ppm | + | No |
| CrO42- | 25 ppm | - |
|
| SO32- | 300ppm | - | No |
| S2O32- | 50ppm | Uncleardemarcation | No |
