Drager Detection Tubes - Benzene

PRODUCT CODE:: 702754-01

These tubes are designed for spot-measurements and must be used with the Drager Accuro Gas Detection Pump. Buy now from Frontline Safety.

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Drager Short-Term Detection Tubes - Benzene 5/a (Pack of 10)

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£74.36

inc VAT

Product description

Drager Detection Tubes - Benzene 0.5/a (Pack of 10)

Dräger short-term detector tubes have proven to be a very cost-effective and reliable way for the measurement of gas. Benzene 0.5/a (Measurement range: 0.5 to 10 ppm).

Note: This product has a shelf life of 2 years.

Specification

Application Range
Standard Measuring Range:	0.5 to 10 ppm
Number of Strokes n:	40 to 2
Time for Measurement:	max. 15 min
Standard Deviation:	± 30 %
Color Change:	white --> pale brown

Ambient Operating Conditions
Temperature:	10 to 40 °C
Absolute Humidity:	3 to 15 mg H2O / L

Reaction Principle
2 C6H6 + HCHO --> C6H5-CH2-C6H5 + H2O C6H5-CH2-C6H5 + H2SO4 --> p-quinoid compound

Cross Sensitivity
Other aromatics (toluene, xylene, ethyl benzene) are indicated as well. It is impossible to measure benzene in the presence of these aromatics. Petroleum hydrocarbons, alcohols and esters do not affect the indication.

Additional Information
Before performing the measurement the ampoule must be broken and the liquid transferred onto the indicating layer so that it is completely saturated.