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  • 产品名称:丙酮检测管151 Acetone CH3COCH3

  • 产品型号:151
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
丙酮检测管151 Acetone CH3COCH3,Measuring Range 0.05 to 0.8% 0.8 to 2.0% Number of Pump Strokes 2 1 Correction Factor 1 2.5 Sampling Time 2 minutes per pump stroke Detecting Limit 0.003% (n=2)丙酮环乙烯检测管价格
详情介绍:
丙酮检测管151 Acetone CH3COCH3
Acetone                        No.151
CH3COCH3
丙酮检测管151 Acetone CH3COCH3
Performance

 

MeasuringRange

0.05 to 0.8%

0.8 to 2.0%

Number of Pump Strokes

2

1

Correction Factor

1

2.5

SamplingTime

2 minutes per pumpstroke

DetectingLimit

0.003% (n=2)

ColorChange

Orange → Darkgreen

ReactionPrinciple

CH3COCH3 + K2Cr2O7 + H2SO4 + H2O → Cr2(SO4)3
Coefficient ofVariation10%(for 0.01 to 0.2 %), 5% (for 0.2 to 0.8 %)
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

Sulfurdioxide

500 ppm

Plus error

Produce greenstain

Hydrogensulfide

500ppm

Plus error

Produce darkgreen

Alcohols, Esters,Ketones

-

Plus error

Produce dark greenstain

Propane

0.2%

Yes

Produce dark greenfor whole layer

Aromatic HCs.

500ppm

Plus error

Produce darkgreen



Othersubstance measurable with this detector tube


Substance

Correction Factor

Pump Strokes

Measuring Range

Cyclohexene

1.0

1

0.05 to0.8%



Calibration gasgenerationDiffusion tubemethod


 


TLV-TWATLV-STELExplosive range
500 ppm750ppm2.1to 13%
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