日本gastec磷化氢检测管7LA Phosp
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7LA

磷化氢检测管7LA Phosphine PH3

 的详细介绍

 

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

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 ofVariation 10% (for0.1 to 0.4 ppm), 5% (for 0.4 to 1.5 ppm)
ShelfLife 2Years
Correctionsfor
temperature & humidity
Unnecessary
Store the tubes at cool and darkplace.