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供應(yīng)日本gastec 7LA磷化氫PH3氣體檢測管

磷化氫檢測管7LA Phosphine PH3的詳細(xì)介紹 磷化氫檢測管7LA Phosphine  PH3

Phosphine              No.7LAPH3Performance 

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）ShelfLife2YearsCorrectionsfor

temperature & humidityUnnecessaryStore the tubes at cool and darkplace.

Possible coexisting substances and theirinterferences

供應(yīng)日本gastec 7LA磷化氫PH3氣體檢測管