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上海豫东电子科技有限公司
主营产品： 恶臭检测仪 应急检测箱 水质安全检测箱 水质检测管 红外测温仪 红外热像仪 |
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上海豫东电子科技有限公司
主营产品： 恶臭检测仪 应急检测箱 水质安全检测箱 水质检测管 红外测温仪 红外热像仪 |
| 参考价 | 面议 |
硫化物检测管201L Sulphide，Performance Measuring Range 0.002 to 0.02 mg Sampling Time 45 seconds per 1 pomp stroke Detecting Limit 0.0002 mg Colour硫化物检测管价格
| Performance | |||
| Measuring Range | 0.002 to 0.02 mg | ||
| Sampling Time | 45 seconds per 1 pomp stroke | ||
| Detecting Limit | 0.0002 mg | ||
| Colour Change | White → Brown | ||
| Reaction Principle | Gus generation tube : Sulphides +H2SO4 →H2S Detector tube : H2S + Pb（CH3COO）2 → PbS | ||
| Shelf Life | 3 Years | ||
| Corrections for temperature &humidity | Unnecessary | ||
| Coefficient ofVariation 5%（for 0.002 to 0.02 mg） | |||
| Possible coexisting substances and theirinterferences （NOTE） | |||
| Substance | Concentration | Interference | Change colour by itselfto |
| Chlorideion | | No | No |
| Chromate ion | | No | No |
| Carbonate ion |
| No | No |
