Gastec 281 鉄（II）Fe 2+イオン溶液検出チューブ（5〜50 mg / L）
メーカーGastec(このブランドの他の製品を見る)
Model281
お問い合わせ
安全なチェックアウト
高品質な対応
簡単な交換・返品
配送対応可能
Indicator: 10 ~ 50 mg/L
Measuring Range: 5 ~ 50 mg/L
Sampling Time: 5 minute
Colour Change: White → Orange
Reaction Principle: Fe2+ + 1,10 Fenantoroline (White) → Complex compound
Nr. of tests: 10
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 ( ≦ 100 mg/L) |
| Mn | ≧ 50 mg/L | |
No ( ≦ 100 mg/L ) |
| PO43- | ≦ 100 mg/L | No | No ( ≦ 100 mg/L) |
Detector tubes for dissolved substances
(i.e. in solution).
(i.e. in solution).
|
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
 |
 |
Liquid detector tube
|
To measure, simply immerse the detector tube in a sample of liquid (placed in a beaker or other container). Anyone can measure concentrations quickly, easily and accurately on site.
* Adjustment for pH is required when measuring with liquid detector tubes.
* Adjustment for pH is required when measuring with liquid detector tubes.
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