目錄:北京中恒日鑫科技有限公司>>日本Gastec氣體檢測(cè)管>> 7LA供應(yīng)日本gastec 7LA磷化氫PH3氣體檢測(cè)管
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供應(yīng)日本gastec 7LA磷化氫PH3氣體檢測(cè)管
磷化氫檢測(cè)管7LA Phosphine PH3的詳細(xì)介紹 磷化氫檢測(cè)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(cè)管
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