Vinyl chloride

NO.131
CH2FCHC
Performance
Measuring Range
0.025 to 0.05 % 0.05 to 1 % 1 to 2 %
Number of Pump Strokes
2 1 1/2
Correction Factor
1/2 1 2
Sampling Time 1 minutes per pump stroke
Detecting Limit 0.005 % (n=2)
Colour Change Orange → Dark green
Reaction Principle CH2:CHCl + Cr6+ + H2SO4 → Cr3+
Coefficient of Variation 10% (for 0.05 to 0.2 %), 5% (for 0.2 to 1 %)
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
Organic solvents   + Dark green
Calibration gas generation Static gas dilution method
TLV-TWA TLV-STEL Explosive range
1 ppm - 3.6 to 23 %


Return to previous viewGo to top of page