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

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Trichloroethylene Cl2C:CHCl NO.132HA


Performance

Measuring Range

20 to 50 ppm

50 to 500 ppm

500 to 1300 ppm

Number of Pump Strokes

2

1

1/2

Correction Factor

0.4

1

2.6

Sampling Time

45 seconds per pump stroke

Detecting Limit

4 ppm (n=2)

Color Change

Yellow Reddish 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 50 to 100 ppm), 5% (for 100 to 500 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

1,1,1-Trichloroethane

-

Plus error

Produce reddish purple at 3000 ppm

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

1,2-Dichloroethylene

1.6

1

80 to 800 ppm

1,3-Dichloropropene

0.9

2

45 to 450 ppm


Calibration gas generation Diffusion tube method


TLV-TWA TLV-STEL Explosive range
50ppm 100ppm -
Range 20-1300


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