Dräger Tube -Cyanide 2/a

DrägerSKU: 6728791

Sale price£107.14


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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