Trichloroethylene

NO.132LL
Cl2C:CHCl
Performance
Measuring Range
0.125 to 0.25 ppm 0.25 to 4.0 ppm 4.0 to 8.8 ppm
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2.2
Sampling Time 1.5 minutes per pump stroke
Detecting Limit 0.05 ppm (n=2)
Colour Change Yellow → Purple
Reaction Principle Cl2C:CHCl + PbO2 + H2SO4 → HCl
HCl + Basic Compound → Chloride
Coefficient of Variation 10% (for 0.25 to 1 ppm), 5% (for 1 to 4 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
Hydrogen chloride, Chlorine, Bromine 1/2 time + Pale bluish purple
Tetrachloroethylene 1/2 time + Pale bluish purple
1,1,1-Trichloroethane 80 ppm No No ( 80 ppm)
Toluene, Xylene   No No
Other substance measurable with this detector tube
Substance Correction Factor No. of pump strokes Measuring Range
1,2-Dichloroethylene 1.5 1 0.375 to 6 ppm
Calibration gas generation Diffusion tube method
TLV-TWA TLV-STEL Explosive range
10 ppm 25 ppm -


Return to previous viewGo to top of page