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  • 产品名称：醋酸异丁酯检测管144 Isoamyl acetate

  • 产品型号：144
  • 产品厂商：日本GASTEC
  • 产品文档：
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简单介绍：
醋酸异丁酯检测管144 Isoamyl acetate，Measuring Range 10 to 300 ppm Number of Pump Strokes 2 Correction Factor 1 Sampling Time 4 minutes per pump stroke Detecting Limit 2 ppm (n=2) Color Change
详情介绍：

 

醋酸异丁酯检测管144 Isoamyl acetate
Isoamyl acetate      No.144

CH3CO2(CH2)2CH(CH3)2(i-CH3CO2C5H11)

醋酸异丁酯检测管144 Isoamyl acetate

Performance
 

MeasuringRange

10 to 300 ppm

Number of PumpStrokes

2

CorrectionFactor

1

SamplingTime

4 minutes per pumpstroke

DetectingLimit

2 ppm (n=2)

ColorChange

Yellow → Blackishbrown → Pale blue after few minutes

ReactionPrinciple

CH3CO2CH2CH(CH3)2 + Cr6+ + H2SO4 → Cr3+

Coefficient ofVariation

15% (for 10 to 100ppm), 10% (for 100 to 300 ppm)

ShelfLife2 Years
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

Alcohols

-

Plus error

Produce blackishbrown
then turns to pale blue

Ketones

-

Plus error

Produce blackishbrown
then turns to pale blue

Esters

-

Plus error

Produce blackishbrown
then turns to pale blue



Othersubstance measurable with this detector tube


 
Calibration gasgenerationDiffusion tubemethod


 


TLV-TWATLV-STELExplosive range
150ppm-1.3 to 10.5%
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