- 產(chǎn)品品牌：
- 日本gastec
- 產(chǎn)品型號(hào)：
- 281
- 類型：
- 水質(zhì)快速分析儀
281鐵離子檢測管 Fe2+的詳細(xì)介紹
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) |
