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Dräger Short Term Detection Tubes - Acrylonitrile 0.5/a (Pack of 5)

Dräger Short Term Detection Tubes - Acrylonitrile 0.5/a (Pack of 5)

6728591
  • £53.40


Dräger Tubes For Short Term Measurements: Acrylonitrile (0.5/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 Acrylonitrile (0.5/a)

The tubes come in a pack of 5 tubes and have a shelf life of 2 years.

Application Range:

Standard Measuring Range: 1 to 20 ppm       / 0.5 to 10 ppm
Number of Strokes n:  10                      / 20
Time for Measurement: approx. 2 min.   / approx. 4 min.
Standard Deviation: ± 15 to 20 %
Colour Change: yellow to red

 

Ambient Operating Conditions:

Temperature: 0 to 40°C
Absolute Humidity 2 to 15 mg H2O/L

 

Reaction Principle:

a) CH2=CH-CN + CrVI ~> HCN

b1) HCN + HgCl2 ~> HCl

b2) HCl + methyl red ~> red reaction product

Cross Sensitivity:

The indication is not affected by:

  • 1,000 ppm acetone
  • 20 ppm benzene
  • 1,000 ppm ethyl acetate
  • 1,000 ppm ethanol
  • 10 ppm ethyl benzene
  • 1,000 ppm hexane
  • 100 ppm toluene

Styrene up to 50 ppm does not influence the indication. Butadiene reacts with the oxidation layer; in the presence of butadiene, the acylonitrile indication will be too low (e.g. up to 50 % too low with 400 ppm butadiene).

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