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Trichloroethylene detection tube 132HH Trichloroethylene
三氯乙烯检测管132HH Trichloroethylene,Measuring Range 0.05 to 1.0% 1.0 to 2.5% Number of Pump Strokes 1 1/2 Correction Factor 1 2.5 Sampling Time 3 minutes p
Product details

三氯乙烯检测管132 HH Trichloroethylene
Trichloroethylene No.132HH

Cl2C:CHCl

三氯乙烯检测管132HH Trichloroethylene

Performance

MeasuringRange

0.05 to 1.0%

1.0 to 2.5%

Number of PumpStrokes

1

1/2

CorrectionFactor

1

2.5

SamplingTime

3 minutes per pumpstroke

DetectingLimit

0.005% (n=1)

ColorChange

White → Yellowishbrown (dark brown at demarcation)

ReactionPrinciple

Cl2C:CHCl+ I2O5+ H2S2O7→ I2

Coefficient ofVariation 10% (for0.05 to 0.3 %), 5% (for 0.3 to 1 %)
ShelfLife 3Years
Correctionsfor
temperature & humidity
Temperature correction isnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences (NOTE)


Substance

Concentration

Interference

Change color by itself

CarbonMonoxide

0.1%

Plus error

Produces blackishbrown stain.

Acetylene

0.1%

Plus error

Produces blackishbrown stain

Acetone

6 times

No effect

Produces brownstain

Ethylene

0.5%

Plus error

Produces blackishbrown stain

Toluene,Xylene

3 times

No effect

Produce brownstain

HCs of C3

-

Plus error

Produce blackishbrown stain.

Tetrachloroethylene

-

Plus error

Produces Yellowishbrown stain

1,1,1-Trichloroethane

-

Plus error

Produces ringstain



Othersubstance measurable with this detector tube


Substance

Correction Factor

pump strokes

Measuring range

Tetrachloroethylene

1.5

1

0.075 to 1.5%


Calibration gasgeneration Static gas dilutionmethod



TLV-TWA TLV-STEL Explosive range
50ppm 100ppm -
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