Dräger Tube -Nitric Acid 1/a

DrägerSKU: 6728311

Sale price£86.07


Dräger Tubes For Short Term Measurements: Nitric Acid 1/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 (Nitric Acid 1/a).

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

Application Range:

Standard Measuring Range: 5 to 50 / 1 to 15 ppm
Number of Strokes n: 10
Time for Measurement: approx. 2 min / approx. 4 min
Standard Deviation: ± 10 to 15 %
Colour Change: blue to yellow

Ambient Operating Conditions:

Temperature: 5 to 40 °C
Absolute Humidity 3 to 15 mg H2O / L

Reaction Principle:

HNO3 + bromophenol blue ~> yellow reaction product

Cross Sensitivity:

Hydrogen sulfide and nitrogen dioxide in the TLV range do not interfere, however, 50 ppm nitrogen dioxide gives an indication similar to 3 ppm nitric acid. It is impossible to measure nitric acid in the presence of other mineral acids. Chlorine discolors the indication layer grey, and this makes it difficult to evaluate the nitric acid indication. If chlorine is present in the TLV range, this leads to slightly higher nitric acid indications..

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