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  • 产品名称:1,3-丁二烯气体检测管174L 1,3-Butadiene

  • 产品型号:174L
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
1,3-丁二烯气体检测管174L 1,3-Butadiene,Measuring Range 2.5 to 5 ppm 5 to 100 ppm Number of Pump Strokes 8 4 Correction Factor 1/2 1 Sampling Time,1,3-丁二烯气体检测管174L 1,3-Butadiene CH2:CHCH:CH2,丁二烯气体检测管价格
详情介绍:

1,3-丁二烯气体检测管174L 1,3-Butadiene
1,3-Butadiene               No.174

CH2:CHCH:CH2

1,3-丁二烯气体检测管174L 1,3-Butadiene

Performance
 

MeasuringRange

2.5 to 5 ppm

5 to 100 ppm

Number of Pump Strokes

8

4

CorrectionFactor

1/2

1

SamplingTime

3 minutes per pumpstroke

DetectingLimit

0.5 ppm (n=8)

ColorChange

Pale yellow →White

ReactionPrinciple

CH2:CHCH:CH2 +(NH4)2MoO4 + Pd2SO4 → White product

Coefficient ofVariation10% (for5 to 20 ppm), 5% (for 20 to 100 ppm)
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

Acetylene, Hydrogencyanide

-

Plus error

Discolor towhite

Carbon monoxide,Hydrogen

-

Plus error

Discolors to blue forwhole layer

Hydrogenchloride

-

Plus error

Discolors to pinkstain

Hydrogensulfide

-

Plus error

Discolors toblack

Ethylene, Propylene,Butylene

-

Plus error

Discolors toblue

Butane,Pentane

-

Plus error

Discolor to blue forwhole layer



Othersubstance measurable with this detector tube


Substance

Correction Factor

Pump Strokes

Measuring Range

1,3-Pentadiene

8.5

4

42.5 to 850ppm



Calibration gasgenerationDiffusion tubemethod



TLV-TWATLV-STELExplosive range
2ppm-2.0 to 12%
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