Vinyl chloride CH2:CHCl NO.131
131


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)

Color 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 color by itself

Organic solvents

-

Plus error

Dark green


Calibration gas generation Static gas dilution method


TLV-TWA TLV-STEL Explosive range
1 ppm - 3.6 to 23 %

Copyright(c) 2001 GASTEC CORPORATION. All rights reserved.