Gastec 221L Chloride Ion (Cl-) in Solution detector tube (25 ~ 1000 mg/L)

  • Manufacturer: Gastec
    Model: 221L
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  • USD 40.00

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

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Catalog

 

Performance
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.
Possible coexisting substances and their interferences (NOTE)
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
Other substance measurable with this detector tube
Substance Correction Factor Measuring Range
Br- 2.2 55 to 2200 mg/l

 

Detector tubes for dissolved substances
(i.e. in solution).
Dissolved sulphide detector tube
211H / 211M / 211 / 211LL
Liquid detector tube
 
Ozone: 218
Chloride ion: 221L / 221LL
Mercury: 271
Hexavalent chromium: 273
Bivalent iron: 281
Copper: 284
Zinc: 285
Nicke: 291
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.


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