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Gastec 132M Quick-measuring Detector tubes Trichloroethylene Cl2C:CHCl (2~250ppm)

Indicator: 5 to 100 ppm
Measuring Range: 
+ 2 to 5 ppm, Number of Pump Strokes 2
+ 5 to 100 ppm, Number of Pump Strokes 1
+ 100 to 250 ppm, Number of Pump Strokes 1/2
Sampling Time: 1 minute per pump stroke
Colour Change: Yellow → Reddish Purple
Reaction Principle: Cl2C:CHCl + PbO2 + H2SO4 → HCl, HCl + Basic Compound → Chloride
Coefficient of Variation: 10% (for 5 to 20 ppm), 5% (for 20 to 100 ppm)
Nr. of tests: 10
Pump: GV-100S/110S

Details

Catalog

Manual

Performance
Measuring Range
2 to 5 ppm 5 to 100 ppm 100 to 250 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
0.4 1 2.5
Sampling Time 1 minute per pump stroke
Detecting Limit 0.4 ppm (n=2)
Colour Change Yellow → Reddish Purple
Reaction Principle Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Basic Compound → Chloride
Coefficient of Variation 10% (for 5 to 20 ppm), 5% (for 20 to 100 ppm)
Shelf Life 2 Years
Corrections for temperature & humidity Temperature correction is necessary
Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below.
Possible coexisting substances and their interferences (NOTE)
Substance Concentration Interference Change colour by itself to
Nitric oxide, Nitrogen dioxide   No No
Hydrogen chloride, Chlorine, Bromine   + Reddish purple
Acetone ≦ 200 ppm No No
Unsaturated halogenated hydrocarbons   + Reddish purple
Aromatic hydrocarbons ≧ 100 ppm No
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
10 ppm(2014) 25 ppm(2014) -

 

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