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  • 产品名称:三氯乙烯检测管132HH Trichloroethylene

  • 产品型号:132HH
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
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 per pump stroke Detecting Limit 0.005%
详情介绍:

 

三氯乙烯检测管132HH 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 ofVariation10% (for0.05 to 0.3 %), 5% (for 0.3 to 1 %)
ShelfLife3Years
Correctionsfor
temperature & humidity
Temperature correction is necessary
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 gasgenerationStatic gas dilutionmethod


 


TLV-TWATLV-STELExplosive range
50ppm100ppm-
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