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Phosphine 0.01/a, 0.1 - 1 PPM / 0.01 - 0.3 PPM, (8101611)
Draeger

Phosphine 0.01/a, 0.1 - 1 PPM / 0.01 - 0.3 PPM, (8101611)

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Phosphine 0.01/a, 0.1 - 1 PPM / 0.01 - 0.3 PPM, Part # 8101611, 10 Tests

Application Range

Standard Measuring Range: 0.1 to 1.0 ppm / 0.01 to 0.3 ppm

Number of Strokes n: 3 / 10

Time for Measurement: approx. 2.5 min / approx. 8 min

Standard Deviation: ± 10 to 15 %

Color Change: yellow š red

Ambient Operating Conditions

Temperature: 2 to 40 °C

Absolute Humidity: < 20 mg H2O / L

Reaction Principle

PH3 + HgCI2 š HCI + Hg-phosphide HCI + pH indicator š red reaction product

Cross Sensitivity

Arsine is indicated with different sensitivity. Up to 6 ppm sulfur dioxide or 15 ppm hydrochloric acid does not interfere, but higher concentrations cause plus errors. More than 100 ppm ammonia leads to minus errors. 30 ppm hydrocyanic acid does not affect the 3 stroke test, but with the 10 stroke test minus errors of up to 50 % can occur.