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Tetracholoethylene (Cl2C:CCl2)
Item Item Details
(Price is for domestic US market only)
Tetracholoethylene (Cl2C:CCl2)
Item Name:
Tetracholoethylene (Cl2C:CCl2)
Item #:
GAS-133M

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Tetrachloroethylene Cl2C:CCl2 NO.133M


Performance

Measuring Range

2 to 5 ppm

5 to 100 ppm

100 to 250 ppm

Number of Pump Strokes

2

1

1/2

Correction Factor

0.4

1

2.5

Sampling Time

1 minute per pump stroke

Detecting Limit

0.4 ppm (n=2)

Color Change

Yellow Reddish purple

Reaction Principle

Tetrachloroethylene is decomposed by oxidizing agent to
liberate hydrogen chloride, which produce reddish purple stain..

Coefficient of Variation 10% (for 5 to 20 ppm), 5% (for 20 to 100 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

Nitric oxide, Nitrogen dioxide

-

No effect

No discoloration

Chlorine, Bromine,
Hydrogen chloride

-

Plus error

Produce reddish purple

Acetone

200 ppm

No effect

No discoloration

Unsaturated halogenated HCs

Plus error

Produce reddish purple

Aromatic hydrocarbons

100 ppm

Minus error

No discoloration


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
25ppm 100ppm -
 
Range 2-250


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