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Dräger Short Term Detection Tubes - Organic Arsenic Compounds and Arsine (Pack of 10)

Dräger Short Term Detection Tubes - Organic Arsenic Compounds and Arsine (Pack of 10)

CH26303
  • £84.48


Dräger Tubes For Short Term Measurements: Organic Arsenic Compounds and Arsine

Dräger Safety offer a massive range of short-term gas detection tubes for the measurement of various gases. This particular set of tubes is for (Organic Arsenic Compounds and Arsine).

The tubes come in a pack of 10 tubes and have a shelf life of 2 years.

Application Range:

Standard Measuring Range: Qualitative 0.1 ppm Arsine and 3 mg org. arsenic/m3 are the minimum detectable concentrations.
Number of Strokes n: 8
Time for Measurement: max. 3 min
Standard Deviation: ± 50 %
Colour Change: yellow to grey

Ambient Operating Conditions:

Temperature: 0 to 40 °C
Absolute Humidity < 50 mg H2O / L

Reaction Principle:

a) AsR3 + Zn/HCl ~> AsH3 b) AsH3 + Au/Hg-complex ~> Au (colloidal)

Cross Sensitivity:

Phosphine and arsine are indicated before the ampoule is broken, but with different sensitivities.

    Additional Information

    Arsine is present if a grey ring appears in the indicating layer after performing 8 pump strokes. If there is no indication, the ampoule must be broken and the liquid transferred onto the indicating layer such that it is completely saturated. Then an additional eight pump strokes must be performed..

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