Gastec 221LL 氯离子检测管(Cl-)(10~200 mg / L)
制造商: Gastec Model: 221LL - 报价要求
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Indicator: 10 ~ 200 mg/L
Measuring Range: 10 ~ 200 mg/L
Sampling Time:
Colour Change:
Reaction Principle:
Nr. of tests: 10
Measuring Range | 10 to 200 mg/L |
Sampling Time | 1 minutes |
Detecting Limit | 3 mg/L |
Colour Change | Brown → White |
Reaction Principle | 2Cl- + Ag2CrO4 → 2AgCl + CrO42- |
Shelf Life | 3 Years |
Corrections for temperature & humidity | Unnecessary |
Store the tubes at cool and dark place. |
Substance | Concentration | Interference | Changes colour by itself to |
CN- | ≧ 10 mg/L | + | White ( ≧ 1mg/L) |
Br- | ≧ 10 mg/L | + | White ( ≧ 10mg/L) |
SCN- | ≧ 1 mg/L | Unreadable | White ( ≧ 100mg/L) |
Fe2+ | ≧ 20 mg/L | No ( ≦ 1000mg/L) | |
Fe3+ | ≧ 20 mg/L | + | White ( ≧ 20mg/L) |
F- | ≦ 1000 mg/L | No | No( ≦ 1000mg/L) |
I- | ≧ 20 mg/L | + | Pale yellow ( ≧ 20mg/L) |
S2- | ≧ 3 mg/L | + | Blackish gray ( ≧ 3mg/L) |
SO42- | ≦ 1000 mg/L | No | No ( ≦ 1000mg/L) |
Substance | Correction Factor | Measuring Range |
Br- | 2.4 | 24 to 480 mg/l |
(i.e. in solution).
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
|
Liquid detector tube
|
* Adjustment for pH is required when measuring with liquid detector tubes.
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