- 产品品牌：
- 日本gastec
- 产品型号：
- 211LL
- 类型：
- 水质在线分析仪
211LL硫化物水质快速检知管S2-的详细介绍
sulphide Ion NO.211LL S2-
| 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 substancesand their interferences (NOTE) | |||
| Substance | Concentration | Interference | Change colour by itselfto |
| 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%) |
