Gastec 221L氯离子气体检测管(Cl-)(25~1000 mg / L)
制造商: Gastec Model: 221L - 报价要求
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Indicator: 50 ~ 1000 mg/L
Measuring Range: 25 ~ 1000 mg/L
Sampling Time: 3 minute
Colour Change: Brown → White
Reaction Principle: 2Cl- + Ag2CrO4 → 2AgCl
Nr. of tests: 10
Measuring Range | (25) to 1000 mg/L |
Sampling Time | 3 minutes |
Detecting Limit | 1 mg/L |
Colour Change | Brown → White |
Reaction Principle | 2Cl- + Ag2CrO4 → 2AgCl |
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 |
CN- | ≧ 1 mg/L | + | White |
Br- | ≧ 10 mg/L | + | White |
SCN- | ≧ 30 mg/L | + | White |
Fe2+ | ≧ 200 mg/L | No (≦ 1000 mg/L) | |
Fe3+ | ≧ 200 mg/L | White | |
F- | ≧ 500 mg/L | No (≦ 1000 mg/L) | |
I- | ≧ 50 mg/L | + | White |
S2- | ≧ 5 mg/L | + | Blackish gray |
SO42- | ≧ 2000 mg/L | White |
Substance | Correction Factor | Measuring Range |
Br- | 2.2 | 55 to 2200 mg/l |
(i.e. in solution).
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
|
Liquid detector tube
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* Adjustment for pH is required when measuring with liquid detector tubes.
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