Draeger Tube, Carbon Monoxide 8/A 8-150ppm
Product ID: CH19701
Price: $100.95
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Draeger Tube - Carbon Monoxide 8/a
Order No. CH 19 701

Application Range
Standard Measuring Range 8 to 150 ppm
Number of Strokes n: 10
Time for Measurement: approx. 2 minutes
Standard Deviation: ± 10 to 15%
Color Change: white to pale brown
   
Ambient Operating Conditions
Temperature: 0 to 50° C ~ 32 to 122° F
Absolute Humidity: < 50 mg H2O / L
   
Reaction Principle
5 CO + I2O5  I + 5 CO2
 
Cross Sensitivity
Acetylene is also indicated, however, with less sensitivity. Petroleum hydrocarbons, benzene, halogenated hydrocarbons and hydrogen sulfide are retained in the pre-layer. In the case of higher concentrations of interfering hydrocarbons, use should be made of a carbon pre-tube (CH 24 101). Higher concentrations of easily cleavable halogenated hydrocarbons (e.g. trichloroethylene), are liable to form chromyl chloride in the pre-layer which changes the indicating layer to a yellowish-brown. CO determination is impossible in the case of high olefin concentrations.

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