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    Dräger Short Term Detection Tubes - Cyanide 2/a (Pack of 10)

    Dräger Short Term Detection Tubes - Cyanide 2/a (Pack of 10)

    • £90.06

    Dräger Tubes For Short Term Measurements: Cyanide 2/a

    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 (Cyanide 2/a).

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

    Application Range:

    Standard Measuring Range: 2 to 15 mg/m3
    Number of Strokes n: 10 (+2)
    Time for Measurement: approx. 2.5 min
    Standard Deviation: ± 20 to 30 %
    Colour Change: yellow to red

    Ambient Operating Conditions:

    Temperature: 0 to 30 °C
    Absolute Humidity < 20 mg H2O / L

    Reaction Principle:

    a) 2 KCN + H2SO4 ~> 2 HCN + K2SO4 b) 2 HCN + HgCl2 ~> 2 HCI + Hg(CN)2 c) HCI + methyl red ~> red reaction product

    Cross Sensitivity:

    Free hydrogen cyanide is indicated already before breaking the ampoule. Acid gases are indicated with different sensitivities. A certain portion of the cyanide can have reacted with the CO2 in the air through hydrolysis. It is impossible to measure cyanide in the presence of phosphine..

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