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  • 产品名称:异丙醇检测管113L Isopropyl alcohol

  • 产品型号:113L
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
异丙醇检测管113L Isopropyl alcoholMeasuring Range 25 to 50 ppm 50 to 800 ppm Number of Pump Strokes 2 1 Correction Factor 1/2 1 Sampling Time 3 minutes,异丙醇检测管113L Isopropyl alcohol
详情介绍:

 

异丙醇检测管113L Isopropyl alcohol
Isopropyl alcohol    No.113L

CH3CH(OH)CH3(i-C3H7OH)

异丙醇检测管113L Isopropyl alcohol

Performance
 

MeasuringRange

25 to 50 ppm

50 to 800 ppm

Number of PumpStrokes

2

1

CorrectionFactor

1/2

1

SamplingTime

3 minutes per pumpstroke

DetectingLimit

5 ppm (n=2)

Color Change

Pink → Paleblue

Reaction Principle

C2H5OH + Cr6++ H2SO4 →Cr3+

Coefficient ofVariation15% (for50 to 200 ppm), 10% (for 200 to 800 ppm)
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

Alcohols

-

Plus error

Produce similar stainby themselves.



Othersubstance measurable with this detector tube


Substance

Correction Factor

Pump Strokes

Measuring Range

Divinylmethoxysilane

0.05

2

2.5 to 40 ppm

Ethylene glycolMEE

1.25

2

62.5 to 1000ppm

Ethylene glycolMEEAc

0.12

3

6 to 96 ppm

1-Methoxy-2-propanol

1.0

4

50 to 800 ppm

Propylalcohol

1.3

1

65 to 1040 ppm

Vinyltrimethoxysilane

0.05

2

2.5 to 40 ppm

Ethylene glycol MBEby scale230 to 1000ppm
Ethylene glycol MMEby scale215 to 900 ppm

Ethylene glycolMMEAc

by scale2,420 to1300ppm


Calibration gasgenerationDiffusion tube method



TLV-TWATLV-STELExplosive range
400ppm500ppm2 to12.7%
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