Sulfuric Acid Detection Tubes 1/a (1 - 5 mg/m3)

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Item #: 6728781
MFG: Draeger
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Sulfuric Acid Detection Tubes 1/a (1 - 5 mg/m3)

For short-term measurements more than 160 Draeger-Tubes are available to measure the so-called spot concentrations of specific gases. A wide range of different gases and vapours can be detected and measured, e.g.: Determining and measuring concentration peaks, Measuring personal exposure in the inhalation area, Detecting leaks in pipelines, gas installations etc., and Air analysis in sewers, shafts and confined spaces.

Contains 10 tubes

Standard Measuring Range1 to 5 mg / m3
Discoloration compared to color
comparison tube.
Number of strokes n:100
Time for Measurementapprox. 20 min.
Standard Deviation± 30 %
Color Changebrown ──> pink violet
Temperature5 to 40 °C
Absolute Humidity< 15 mg H2O / L
Reaction PrincipleH2SO4 + Barium chloroanilate ──>
Chloranilic acid + Ba So4
Cross SensitivitySulfur trioxide in the gaseous form is not
indicated, but in the presence of 
atmospheric humidity this forms sulfuric
acid aerosols, which are indicated.

Soluble sulfates and other aerosol forming
acids are also indicated but with different
sensitivities. It is impossible to measure
sulfuric acid in the presence of these
Additional InformationAfter performing the required 100 pump
strokes the reagent ampoule must be
broken and the liquid transferred completely
onto the brown reagent layer. Wait one 
minute before drawing the liquid carefully
through the brown layer with approx. 1/4
pump stroke into the indication chamber.
The measurement must be evaluated