- 产品品牌:
- 日本gastec
- 产品型号:
- 291
- 类型:
- 水质在线分析仪
291镍离子检测管 Ni的详细介绍
Nickel Ion NO.291
NiPerformance | |||
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) |