产品详情
  • 产品名称:二甲苯气体检测管123L Xylene

  • 产品型号:123L
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
二甲苯气体检测管123L Xylene,Measuring Range 2 to100 ppm 100 to 200 ppm Number of Pump Strokes 2 1 Correction Factor 1 2 Sampling Time 1 minute per pump stroke Detecting Limit 1 ppm (n=2)
详情介绍:

 

二甲苯气体检测管123L Xylene

Xylene                  No.123L

C6H4(CH3)2

二甲苯气体检测管123L Xylene

Performance
 

Measuring Range

2 to100ppm

100 to 200 ppm

 

Number of PumpStrokes

2

1

 

CorrectionFactor

1

2

 

Sampling Time

1 minute per pumpstroke

Detecting Limit

1 ppm (n=2)

Color Change

White → Brown

Reaction Principle

C6H4(CH3)2 + I2O5 + H2SO4 → I2

Coefficient ofVariation

10% (for 2 to 30ppm), 5% (for 30 to 100 ppm)

ShelfLife3Years
Correctionsfor
temperature & humidity
Unnecessary
Store the tubes at cool and darkplace.
 
Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color byitself

Acetylene , Ethylene, Hexane

 

No

No

Alcohols , Esters ,Ketones

 

No

No

Aromatichydrocarbons

 

+

Brown


Othersubstance measurable with this detector tube


Calibration gasgenerationDiffusion tube method

TLV-TWATLV-STELExplosive range
100 ppm150 ppm1.0 to 7.0%
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