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  • 产品名称:三氯乙烯气体检测管132HA

  • 产品型号:132HA
  • 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132HA,Measuring Range 20 to 50 ppm 50 to 500 ppm 500 to 1300 ppm Number of Pump Strokes 2 1 1/2 Correction Factor,三氯乙烯气体检测管132HA Trichloroethylene Cl2C:CHCl
详情介绍:

 

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

Cl2C:CHCl

三氯乙烯气体检测管132HA

Performance
 

Measuring Range

20 to 50 ppm

50 to 500 ppm

500 to 1300ppm

Number of PumpStrokes

2

1

1/2

CorrectionFactor

0.4

1

2.6

Sampling Time

45 seconds per pumpstroke

Detecting Limit

4 ppm (n=2)

Color Change

Yellow → ReddishPurple

Reaction Principle

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

Coefficient ofVariation

10% (for 50 to 100ppm), 5% (for 100 to 500 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

Nitric Oxide,Nitrogen dioxide

-

No effect

Nodiscoloration

Hydrogen chloride,Chlorine, Bromine

-

Plus error

Produce reddishpurple stain

Acetone

200 ppm

No effect

Nodiscoloration

1,1,1-Trichloroethane

-

Plus error

Produce reddishpurple at 3000 ppm

UnsaturatedHalogenated HCs

-

Plus error

Produces reddishpurple stain

Aromatichydrocarbons

100ppm

Minus error

Nodiscoloration



Othersubstance 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 450ppm



Calibration gasgenerationDiffusion tubemethod



TLV-TWATLV-STELExplosive range
50ppm100ppm-
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