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  • 产品名称:乙醛气体检测管163LL Ethylene oxide

  • 产品型号:163LL
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
乙醛气体检测管163LL Ethylene oxide,乙醛气体检测管163LL Ethylene oxide C2H4O,Measuring Range 0.1 to 5 ppm 5 to 10 ppm Number of Pump Stroke 4 2 Correction Factor
详情介绍:

 

乙醛气体检测管163LL Ethylene oxide
Ethylene oxide       No.163LL

C2H4O

乙醛气体检测管163LL Ethylene oxide

Performance
 

MeasuringRange

0.1 to 5 ppm

5 to 10 ppm

Number of PumpStroke

4

2

CorrectionFactor

1

2

SamplingTime

1.5 minutes per pumpstroke

DetectingLimit

0.05 ppm (n=4)

ColorChange

Yellow → Paleorange

ReactionFormula

C2H4O → 2HCHO
3HCHO + (NH2OH)3H3PO4 → H3PO4
H3PO4 + Base→ Phosphate

Coefficient of Variation15%(for 0.1 to 0.5 ppm), 10% (for 1 to 5 ppm)
Shelf Life1Year
Corrections for
temperature & humidity
Temperature correction is necessary
Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow.

Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Aldehydes

1/10 times

Plus error

Discolor paleorange

Ketones-Plus errorDiscolor paleorange
Alcohols1/10 timesNo effectNodiscoloration


Othersubstance measurable with this detector tube


 
Calibration gasgenerationPermeation tubemethod


 


TLV-TWATLV-STELExplosive range
1ppm-3.6to 100%

 

Ethylene oxide      No.163LL

C2H4O

乙醛气体检测管163LL Ethylene oxide

Performance
 

MeasuringRange

0.1 to 5 ppm

5 to 10 ppm

Number of PumpStroke

4

2

CorrectionFactor

1

2

SamplingTime

1.5 minutes per pumpstroke

DetectingLimit

0.05 ppm (n=4)

ColorChange

Yellow → Paleorange

ReactionFormula

C2H4O → 2HCHO
3HCHO + (NH2OH)3H3PO4 → H3PO4
H3PO4 + Base→ Phosphate

Coefficient of Variation15%(for 0.1 to 0.5 ppm), 10% (for 1 to 5 ppm)
Shelf Life1Year
Corrections for
temperature & humidity
Temperature correction is necessary
Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow.

Possible coexisting substances and theirinterferences(NOTE)


Substance

Concentration

Interference

Change color by itself

Aldehydes

1/10 times

Plus error

Discolor paleorange

Ketones-Plus errorDiscolor paleorange
Alcohols1/10 timesNo effectNodiscoloration


Othersubstance measurable with this detector tube


 
Calibration gasgenerationPermeation tubemethod


 


TLV-TWATLV-STELExplosive range
1ppm-3.6to 100%
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