281 281铁离子检测管 Fe2+
产品简介
详细信息
Iron (II) Ion NO.281
Fe2+
Performance | |||
Measuring Range | (5) to 50 mg/L | ||
Sampling Time | 5 minutes | ||
Detecting Limit | 1.0 mg/L | ||
Colour Change | White → Orange | ||
Reaction Principle | Fe2+ + 1,10 Fenantoroline (White) → Complex compound | ||
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 |
Zn | 5 mg/L | + | No (100mg/L) |
Co | 5 mg/L | + | Orange (1mg/L) |
CN- | 20 mg/ L | - | No (100mg/L) |
Fe3+ | 50 mg/L | + | Pale orange (50 mg/L) |
CU+ | 5 mg/L | - | Pale orange (1 mg/L) |
CU2+ | 10 mg/L | + | Pale blue (50 mg/L) |
Ni | 5 mg/L | + | No (100mg/L) |
Mn | 50 mg/L | - | No (100mg/L) |
PO43- | 100 mg/L | No | No (100mg/L) |