Nickel Ion NO.291
Ni
Performance | |||
Measuring Range | (5) to 50 mg/L | ||
Sampling Time | 3 minutes | ||
Detecting Limit | 5 mg/L | ||
Colour Change | White → Red | ||
Reaction Principle | Ni + Dimethyl glyoxime → Complexcompound | ||
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 |
Zn | 20 mg/L | - | No (1000mg/L) |
Al | 30 mg/L | - | No (1000mg/L) |
Co | 3 mg/ L | + | Greenish brown (20mg/L) |
CN- | 10 mg/L | - | No (100mg/L) |
Fe2+ | 5 mg/L | + | Brown (60mg/L) |
Fe3+ | 100 mg/L | - | No (1000mg/L) |
Cu | 5 mg/L | + | Reddish brown / yellowishGreen(50mg/L) |