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  • 产品名称:1,3-丁二烯气体检测管174LL

  • 产品型号:174LL
  • 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174LL 1,3-Butadiene CH2:CHCH:CH2,Measuring Range 0.5 to 5 ppm Number of Pump Strokes 1 Correction Factor 1 Sampling Time 3 minutes per pump stroke Detecting,1,3 -丁二烯气体检测管价格
详情介绍:

 

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

CH2:CHCH:CH2

1,3-丁二烯气体检测管174LL

Performance
 

Measuring Range

0.5 to 5 ppm

Number of Pump Strokes

1

Correction Factor

1

Sampling Time

3 minutes per pumpstroke

Detecting Limit

0.1 ppm (n=1)

Color Change

Pink → PaleYellow

Reaction Principle

CH2:CHCH:CH2+KMnO4 → Reaction Product

Coefficient ofVariation10% (for 0.05to 1 ppm-hr),5% (for 2 to 5 ppm-hr)
ShelfLife3 Years
Correctionsfor
temperature & humidity
Unnecessary
Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow.
Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Ammonia

-

No effect

Nodiscoloration

CO &CO2

-

No effect

Nodiscoloration

H2S,HCN

-

No effect

Nodiscoloration

Acetylene

50 ppmr

Plus error

Discolors towhite

Olefins

-

Plus error

Discolors paleyellow



Calibration gasgenerationDiffusion tubemethod



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