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  • 产品名称:三氯乙烯气体检测管132LL

  • 产品型号:132LL
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
三氯乙烯气体检测管132LL,Measuring Range 0.125 to 0.25ppm 0.25 to 4.0ppm 4.0 to 8.8ppm Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2.2 Sampling,三氯乙烯气体检测管132LL Trichloroethylene Cl2C:CHCl
详情介绍:

 

三氯乙烯气体检测管132LL Trichloroethylene   No.132LL

Cl2C:CHCl

三氯乙烯气体检测管132LL

Performance
 

MeasuringRange

0.125to 0.25ppm

0.25to 4.0ppm

4.0to 8.8ppm

Number of Pump Strokes

2

1

1/2

Correction Factor

1/2

1

2.2

SamplingTime

1.5 minutes per pumpstroke

DetectingLimit

0.05 ppm (n=2)

ColorChange

Yellow →Purple

ReactionPrinciple

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

Coefficient ofVariation10% (for0.25 to 1 ppm), 5% (for 1 to 4 ppm)
ShelfLife2Years
Correctionsfor
temperature & humidity
Temperature correction is necessary
Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow.

Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color byitself

Hydrogen chloride,Chlorine,
Bromine

1/2 time

Plus error

Produce purplestain

Tetrachloroethylene

1/2 time

Plus error

Produce purplestain

1,1,1-Trichloroethane

80 ppm or less

No effect

No discoloration upto 80 ppm

Toluene,Xylene

-

No effect

Nodiscoloration



Othersubstance measurable with this detector tube


Substance

Correction Factor

Pump Strokes

Measuring Range

1,2-Dichloroethylene

1.5

1

0.4 to 6ppm



Calibration gasgenerationVaper pressuremethod



TLV-TWATLV-STELExplosive range
50ppm100ppm-
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