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NO.7L 磷化氢检测管

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NO.7L 磷化氢检测管的详细介绍:

NO.7L 磷化氢检测管.jpg

Measuring Range

0.15 to 0.3ppm

0.3 to 5 ppm

Number of Pump Strokes

10

5

Correction Factor

1/2

1

Sampling Time

1 minute per pumpstroke

Detecting Limit

0.04 ppm (n =10)

Color Change

Pale yellow →Purple

Reaction Principle

PH3 + Gold- compound → Colloidal gold

Coefficient ofVariation10% (for0.3 to 1 ppm), 5% (for 1 to 5 ppm)
ShelfLife3Years
Correctionsfor
temperature & humidity
Unnecessary
Store the tubes at cool and darkplace.


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