
Gastec 281 溶液中亚铁离子检测管(5~50 mg/L)
制造商: Gastec Model: 281 - 联系
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
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. |
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) |
(i.e. in solution).
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
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Liquid detector tube
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* Adjustment for pH is required when measuring with liquid detector tubes.
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