Draeger Tube, Phenol 1/B 1-20ppm

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Product Code: 8101641


Draeger Tube - Phenol 1/b
Order No. 81 01 641

Application Range
Standard Measuring Range 1 to 20 ppm
Number of Strokes n: 20
Time for Measurement: approx. 5 minutes
Standard Deviation: ± 10 to 15%
Color Change: yellow to brown grey
Ambient Operating Conditions
Temperature: 10 to 30° C ~ 50 to 86° F
Absolute Humidity: 1 to 18 mg H2O / L
Reaction Principle
C6H5OH + Ce(SO4)2 + H2SO4 → brown grey reaction product
Cross Sensitivity
Cresols are also indicated, but with different sensitivities. To determine m-cresol multiply the indication by 0.8. Benzene, toluene and other aromatics without the heteroatoms are not indicated. Aliphatic hydrocarbons and alcohols are not indicated.
Additional Information
At a temperature of 0° C the resulting indication must be multiplied by 1.3, at a temperature of 40° C it must be multiplied by 0.8.