- 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
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) |









