Dräger Short Term Detection Tubes - Acrylonitrile 0.5/a (Pack of 5)6728591
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.
|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|
a) CH2=CH-CN + CrVI ~> HCN
b1) HCN + HgCl2 ~> HCl
b2) HCl + methyl red ~> red reaction product
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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