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  • 产品名称:乙硼烷气体检测管22 B2H6 Diborane

  • 产品型号:22
  • 产品厂商:日本GASTEC
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简单介绍:
乙硼烷气体检测管22 B2H6 Diborane,Measuring Range 0.02 to 0.05 ppm 0.05 to 2 ppm 2 to 5 ppm Number of Pump Stroke 5 2 1 Correction Factor 1/3 1 2.5 Sampling Time 2 minutes,乙硼烷气体检测管22 B2H6 Diborane
详情介绍:

 

乙硼烷气体检测管22 B2H6 Diborane
Diborane                    No.22

B2H6

乙硼烷气体检测管22 B2H6 Diborane

Performance
 

MeasuringRange

0.02 to 0.05ppm

0.05 to 2 ppm

2 to 5 ppm

Number of PumpStroke

5

2

1

CorrectionFactor

1/3

1

2.5

SamplingTime

2 minutes per pumpstroke

DetectingLimit

0.01 ppm (n=5)

ColorChange

Yellow → Red

ReactionFormula

Diborane reacts withmercuric chloride to produce hydrogen chloride.
HCl react with indicator to discolour to red.
B2H6 +6HgCl2 → 2B2(HgCl)3 + 6HCl
HCl + Base → chloride

Coefficient ofVariation10% (for0.05 to 0.4 ppm), 5% (for 0.4 to 2 ppm)
ShelfLife2Years
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 byitself

Arsine

1/10 time

Plus error

Produce redstain

Hydrogenselenide

1/10 time

Plus error

Produce redstain

Phosphine

1/10 time

Plus error

Produce redstain

Hydrogenchloride

1/3 time

Plus error

Produce redstain



Othersubstance measurable with this detector tube


 
Calibration gasgenerationVaper pressuremethod


 


TLV-TWATLV-STELExplosive range
0.1ppm--
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