Application Range
Standard Measuring Range: 0.1 to 1 ppm / 1 to 15 ppm
Number of Strokes n: 10 / 1
Time for Measurement: approx. 4 min / approx. 20 s
Standard Deviation: ± 15 to 20 %
Color Change: yellow orange -> red violet
Ambient Operating Conditions
Temperature: 2 to 40 °C
Absolute Humidity: < 20 mg / L
Reaction Principle
PH3 + HgCI2 -> Hg-phosphide + HCI
HCI + pH-indicator -> red violet reaction product
Cross Sensitivity
Arsin and hydrogen sulfide will be indicated with differing sensitivities.
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