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  • 产品名称：丙烯醛气体检测管93 Acrolein CH2:CHCHO

  • 产品型号：93
  • 产品厂商：日本GASTEC
  • 产品文档：
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简单介绍：
丙烯醛气体检测管93 Acrolein CH2:CHCHO，Number of Pump Strokes 4 2 Correction Factor 1/3 1 Sampling Time 2 minutes per pump stroke Detecting Limit 2 ppm (n=4)丙烯醛气体检测管价格
详情介绍：
丙烯醛气体检测管93 Acrolein CH2:CHCHO
Acrolein                         No.93

CH2:CHCHO

丙烯醛气体检测管93 Acrolein CH2:CHCHO
Performance
 

MeasuringRange

3.3to 10ppm

10to 800ppm

Number of PumpStrokes

4

2

CorrectionFactor

1/3

1

SamplingTime

2 minutes per pumpstroke

DetectingLimit

2 ppm (n=4)

ColorChange

Yellow → Red

ReactionPrinciple

3CH2CHCHO + (NH2OH)3 • H3PO4 → H3PO4 + Base
→ Phosphate

Coefficient ofVariation10% (for10 to 200 ppm), 5% (for 200 to 800 ppm)
ShelfLife2Years
Correctionsfor
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

Ammonia

-

Minus error

Nodiscoloration

Sulfurdioxide

1/5 time

Plus error

Nodiscoloration

Acetaldehyde

1/5 time

Plus error

Produces redstain

Acetone

1 time

Plus error

Produces redstain

Methyl EthylKetone

3 times

Plus error

Produces redstain



Othersubstance measurable with this detector tube


Substance

CorrectionFactor

Pump Strokes

Measuringrange

Formaldehyde

25

1

250 to 20000ppm



Calibration gasgenerationDiffusion tubemethod



TLV-TWATLV-STELExplosive range
-C 0.1ppm2.8 to 31%
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