供應日本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
供應日本gastec 7LA磷化氫PH3氣體檢測管
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