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Vinyl chloride  (CH2:CHCl)
Item Details
(Price is for domestic US market only)
Vinyl chloride  (CH2:CHCl)
Item Name:
Vinyl chloride (CH2:CHCl)
Item #:
GAS-131L

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Vinyl chloride CH2:CHCl NO.131L

131L


Performance

Measuring Range

0.1 to 0.2 ppm

0.2 to 3.0 ppm

3.0 to 6.6 ppm

Number of Pump Strokes

4

2

1

Correction Factor

1/2

1

2.2

Sampling Time

1.5 minutes per pump stroke

Detecting Limit

0.02 ppm (n=4)

Color Change

Yellow Reddish brown

Reaction Principle

CH2:CHCl + Cr6+ + H2SO4 HCl
HCl + Base Chlorides

Coefficient of Variation 10% (for 0.2 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 color by itself

Ethylene

200 ppm

Minus error

No discoloration

Tetrachloroethylene

1/3 conc.

Plus error

Produce reddish brown

Trichloroethylene

1/5 conc.

Plus error

Produce reddish brown

Benzene, Toluene

200 ppm

Minus error

No discoloration


Other substance measurable with this detector tube

Substance

Correction Factor

Pump Strokes

Measuring Range

Allyl chloride

Factor: 16

2

3.2 to 48 ppm

1,1,2,2-Tetrachloroethane

Factor: 10

2

2 to 30 ppm


Calibration gas generation Permeation tube method


TLV - TWA TLV - STEL Explosive range
1 ppm - 3.6 to 23%
Range 0.1-6.6


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