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  • 产品名称:N,N-二甲基乙酰胺气体检测管 184

  • 产品型号:184
  • 产品厂商:日本GASTEC
  • 产品文档:
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简单介绍:
N,N-二甲基乙酰胺气体检测管 184,N,N-二甲基乙酰胺 184,Measuring Range 1.5 to 5 ppm 5 to 60 ppm 60 to 240 ppm Number of Pump Strokes 4 2 1 Correction,strokeN,N'-二甲基乙酰胺 184 N,N-Dimethyl acetamide
详情介绍:

N,N-二甲基乙酰胺气体检测管 184
N,N-Dimethylacetamide No.184

CH3CON(CH3)2

N,N-二甲基乙酰胺气体检测管 184

Performance
 

MeasuringRange

1.5 to 5 ppm

5 to 60 ppm60 to 240 ppm

Number of Pump Strokes

4

21

Correction Factor

0.3

14

SamplingTime

2 minutes per pumpstroke

DetectingLimit

0.5 ppm (n=4)

ColorChange

Pink → Paleyellow

ReactionPrinciple

CH3CON(CH3)2 + NaOH → R-NH2
2R-NH2 + H2SO4 → (R-NH2)2SO4
Coefficient ofVariation15% (for2 to 10 ppm), 10% (for 10 to 30 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

Amines

-

Plus error

Pale yellow

Ammomia

-

Plus error

Pale yellow

Hydrazine

-

Plus error

Pale yellow


Othersubstance measurable with this detector tube


 
Calibration gasgenerationDiffusion tube method


 


TLV-TWATLV-STELExplosive range
10ppm--
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