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 |

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 |
Performance Measuring Range (25) to 1000 mg/L Sampling Time 3 minutes Detecting Limit 1 mg/L Colour Change Brown → White Reaction Principle 2Cl- + Ag2CrO4 → 2AgCl 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 CN- 1 mg/L + White Br- 10 mg/L + White SCN- 30 mg/L + White Fe2+ 200 mg/L - No (1000 mg/L) Fe3+ 200 m
Performance | |||
Measuring Range | (25) to 1000 mg/L | ||
Sampling Time | 3 minutes | ||
Detecting Limit | 1 mg/L | ||
Colour Change | Brown → White | ||
Reaction Principle | 2Cl- + Ag2CrO4 →2AgCl | ||
Shelf Life | 3 Years | ||
Corrections for temperature &humidity | Unnecessary | ||
Store the tubes at cool and darkplace. | |||
Possible coexisting substances and theirinterferences (NOTE) | |||
Substance | Concentration | Interference | Change colour by itselfto |
CN- | 1 mg/L | + | White |
Br- | 10 mg/L | + | White |
SCN- | 30 mg/L | + | White |
Fe2+ | 200 mg/L | - | No (1000 mg/L) |
Fe3+ | 200 mg/L | - | White |
F- | 500 mg/L | - | No (1000 mg/L) |
I- | 50 mg/L | + | White |
S2- | 5 mg/L | + | Blackish gray |
SO42- | 2000 mg/L | - | White |