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  • 产品名称：磷化氢检测管7LA Phosphine PH3

  • 产品型号：7LA
  • 产品厂商：日本GASTEC
  • 产品文档：
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简单介绍：
磷化氢检测管7LA Phosphine PH3，Measuring Range 0.05 to 0.1 ppm 0.1 to 1.5 ppm 1.5 to 2.5 ppm 2.5 to 9.8 ppm，公共场所突发事件检测箱、有针对性地准备毒物快速检测仪器设备如检气管、气体检测仪、化学毒物快速检测箱 等）、采样器材（如空气采样器、采气袋、采样瓶等和样品储藏运输简易水质检测箱简，突发事件应急检测
详情介绍：

 

磷化氢检测管7LA Phosphine  PH3
Phosphine              No.7LA

PH3

磷化氢检测管7LA Phosphine PH3

Performance
 

Measuring Range

0.05 to 0.1ppm

0.1 to 1.5 ppm

1.5 to 2.5 ppm

2.5 to 9.8 ppm

Pump Strokes

10

5

3

1

Correction Factor

1/2

1

1.7

6.5

Sampling Time

1.5 minutes per pumpstroke

Detecting Limit

0.02 ppm (n =10)

Color Change

Yellow → Red

Reaction Principle

PH3 +3HgCl2 →P(HgCl)3 +3HCl
HCl + Base 仺 Chloride

Coefficient ofVariation10% (for0.1 to 0.4 ppm), 5% (for 0.4 to 1.5 ppm)
ShelfLife2Years
Correctionsfor
temperature & humidity		Unnecessary
Store the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences(NOTE)


 

Substance

Concentration

Interference

Change color by itself

Arsine

1/10 time

Plus error

Produces redstain

Hydrogenchloride

-

No effect

Nodiscoloration

Diborane

-

No effect

Nodiscoloration


Othersubstance measurable with this detector tube


 
Calibration gasgenerationHigh pressure gascylinder method


 


TLV-TWATLV-STELExplosive range
0.3ppm1ppm-
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