SKU: GAS221L Categories: ,

GAS221L Chloride Ion Gastec Soluble Ion Tubes 25 – 100ppm mg/L

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SKU: GAS221L Categories: ,


GAS221L Gastec Chloride Ion Detector Tubes

The soluble ion tube system offers a quicker, cheaper and easier alternative to using laboratory based anaylsers for measuring dissolved substances
(i.e. in solution)

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.

Measuring Range 25 to 1000 mg/l
Sampling Time 3 minutes
Detecting Limit 1 mg/l
Colour Change Brown to White
Reaction Principle 2Cl + Ag2CrO4 (Brown)           2AgCl (White)
Coefficient of Variation 15% (for 25 to 300 mg/l), 10% (for 300 to 1000 mg/l)
Shelf Life 3 Years
Corrections for
temperature & humidity
Store the tubes at cool and dark place.

Possible coexisting substances and their interferences

Substance Concentration Interference Change colour by itself
CN 1 mg/l Plus error White discoloration
Br 10 mg/l Plus error White discoloration
SCN 30 mg/l Plus error White discoloration
Fe2+ 200 mg/l Minus error No discoloration (1000 mg/l)
Fe3+ 200 mg/l Minus error White discoloration
F 500 mg/l Minus error No discoloration (1000 mg/l)
I 50 mg/l Plus error White discoloration
S2- 5 mg/l Plus error Blackish grey discoloration
SO42- 2000mg/l Minus error White discoloration
Calibration gas generation Sodium Chloride standard solution

Additional Information

Weight 0.1 kg
Multi Gas Tags


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