Phosphine 1/a, 20 - 100 PPM / 1 - 20 PPM, Part # 8101801, 10 Tests

Application Range

Standard Measuring Range: 10 to 100 / 1 to 20 ppm

Number of Strokes n: 2 / 10

Time for Measurement: approx. 2 min / approx. 10 min

Standard Deviation: ± 15 to 20 %

Color Change: yellow š dark-brown

Ambient Operating Conditions

Temperature: 5 to 40 °C

Absolute Humidity: max. 30 mg H2O / L

Reaction Principle

PH3 + Au3+ š Au (colloidal)

Cross Sensitivity

Ammonia, hydrogen chloride, hydrogen sulfide and mercaptans are retained in the prelayer. Arsine and stibine are also indicated, however, with less sensitivity.