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Trichloroethylene(Cl2C:CHCl)
Item Item Details
(Price is for domestic US market only)
Trichloroethylene(Cl2C:CHCl)
Item Name:
Trichloroethylene(Cl2C:CHCl)
Item #:
GAS-132L

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Trichloroethylene Cl2C:CHCl NO.132L


Performance

Measuring Range

1 to 2ppm

2 to 25ppm

25 to 70ppm

Number of Pump Strokes

2

1

1/2

Correction Factor

1/2

1

2.8

Sampling Time

1 minute per pump stroke

Detecting Limit

0.4 ppm (n=2)

Color Change

Yellow Purple

Reaction Principle

Trichloroethylene is decomposed by nascent oxygen by oxidizing agent to
liberate hydrogen chloride which discolors indicator to reddish purple.

Cl2C:CHCl + PbO2 + H2SO4 HCl
HCl + Basic Compound Chloride

Coefficient of Variation 10% (for 1 to 5 ppm), 5% (for 5 to 25 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

Hydrogen chloride, Chlorine, Bromine

-

Plus error

Produce reddish purple stain

Acetone

200 ppm

No effect

No discoloration

Unsaturated Halogenated HCs

-

Plus error

Produces reddish purple stain

Aromatic hydrocarbons

100ppm

Minus error

No discoloration


Other substance measurable with this detector tube

Substance

Correction Factor

Pump Strokes

Measuring Range

Benzyl chloride

0.8

2

1.6 to 20 ppm


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
50ppm 100ppm -
Range 0.5-70


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