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  • 产品名称:乙醇酒精检测管112 Ethanol C2H5OH

  • 产品型号:112
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
乙醇酒精检测管112 Ethanol C2H5OHMeasuring Range 0.01 to 0.05% 0.05 to 2.5% 2.5 to 7.5% Number of Pump Strokes 2 1 1/2 Correction Factor 0.2 1 3 Sampling Time 3 minutes乙醇酒精检测管112 Ethanol C2H5OH
详情介绍:

 

乙醇酒精检测管112 Ethanol C2H5OH
Ethanol                 No.112

C2H5OH

乙醇酒精检测管112 Ethanol C2H5OH

Performance
 

MeasuringRange

0.01to 0.05%

0.05to 2.5%

2.5to 7.5%

Number of Pump Strokes

2

1

1/2

CorrectionFactor

0.2

1

3

SamplingTime

3 minutes per pumpstroke

DetectingLimit

0.004% (n=2)

ColorChange

Pink → Paleblue

ReactionPrinciple

C2H5OH + Cr6+ + H2SO4 → Cr3+

Coefficient ofVariation15% (for0.05 to 0.5 %), 10% (for 0.5 to 2.5 %)
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

Carbonmonoxide

-

No effect

Nodiscoloration

Carbondioxide

-

No effect

Nodiscoloration

Alcohols

-

Plus error

Produce similarstain



Othersubstance measurable with this detector tube


 
Calibration gasgenerationStatic gas dilution method


 


TLV-TWATLV-STELExplosive range
1000ppm-3.3 to19%
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