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Vinyl acetate (CH3CO2CH:CH2)
Item Details
(Price is for domestic US market only)
Vinyl acetate (CH3CO2CH:CH2)
Item Name:
Vinyl acetate (CH3CO2CH:CH2)
Item #:
GAS-143

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Vinyl acetate CH3CO2CH:CH2 NO.143


Performance

Measuring Range

5 to 10 ppm

10 to 100 ppm

100 to 250ppm

Number of Pump Strokes

4

2

1

Correction Factor

1/2

1

2.5

Sampling Time

45 seconds per pump stroke

Detecting Limit

1 ppm (n=4)

Color Change

White Brown

Reaction Principle

CH3CO2CH:CH2+C6H3(CH3)3+ H2S2O7
Condensation Polymer (Brown)

Coefficient of Variation 15% (for 10 to 20 ppm), 10% (for 20 to 100 ppm)
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

Aldehydes

-

Plus error

Brown

Ketones

-

Plus error

Brown

Ethylene

1000ppm

Plus error

Yellow

Vinyl chloride

500ppm

Plus error

Yellow


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
10ppm 15ppm 2.6 to 13.4%

 
Range 5-250


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