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  • 产品名称:1,1,1-三氯乙烷检测管135L

  • 产品型号:135L
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
1,1,1-三氯乙烷检测管135LMeasuring Range 6 to 20 ppm 20 to 200 ppm 200 to 900 ppm Number of Pump Stroke 2 1 1/2 Correction Factor 0.3 1 4.5 ,,1,1-三氯乙烷检测管135L 1,1,1-Trichloroethane
详情介绍:

1,1,1-三氯乙烷检测管135L
1,1,1-Trichloroethane No.135L

CH3CCl3

1,1,1-三氯乙烷检测管135L

Performance
 

MeasuringRange

6 to 20 ppm

20 to 200 ppm

200 to 900 ppm

Number of PumpStroke

2

1

1/2

CorrectionFactor

0.3

1

4.5

SamplingTime

3 minutes per pumpstroke

DetectingLimit

3 ppm (n=2)

ColorChange

White → PalePink

ReactionFormula

1,1,1-Trichloroethane reacts with oxidizing agent to produceintermediate products then it reacts with detecting agent toproduce pale pink stain.

Coefficient ofVariation

10% (for 20 to 60ppm), 5% (for 60 to 200 ppm)

ShelfLife2Years
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

Halogens

-

Plus error

Discolor pale pinkstain

Nitrogenoxides

-

Plus error

Discolor pale pinkstain

Saturated halogenatedhydrocarbons

-

Plus error

Discolor pale pinkstain



Othersubstance measurable with this detector tube


Substance

CorrectionFactor:

No. of pumpstrokes

Measuringrange

1,2-Dichloroethane

5.2

1

104 to 1040ppm

1,1,2,2-Tetrabromoethane

0.046

4

0.92 to 9.2ppm

1,2,3-Trichloropropane

1.8

4

36 to 360ppm



Calibration gasgenerationDiffusion tubemethod



TLV-TWATLV-STELExplosive range
350ppm450ppm-
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