Dräger Tubes For Short Term Measurements: Hydrochloric Acid 0.2/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 (Hydrochloric Acid 0.2/a).
The tubes come in a pack of 10 tubes and have a shelf life of 2 years.
|Standard Measuring Range:||0.2 to 3 ppm / 3 to 20 ppm|
|Number of Strokes n:||10|
|Time for Measurement:||approx. 2 min / 0.4 min|
|Standard Deviation:||± 10 to 15 %|
|Colour Change:||blue to yellow|
Ambient Operating Conditions:
|Temperature:||5 to 40 °C|
|Absolute Humidity||? 15 mg H2O / L|
HCl + bromophenol blue ~> yellow reaction product
No interference on the reading of 10 ppm H2S and 2 ppm SO2. Other acid gases are also indicated, however, with differing sensitivity. Chlorine changes the indicating layer to grey. If chlorine occurs simultaneously, HCl readings will be higher..
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