Benzene 0.25/a, 0.25 - 2 PPM / 2 - 10 PPM, Part # 8103691, 10 Tests

Application Range

Standard Measuring Range: 0.25 to 2 ppm / 2 to 10 ppm

Number of Strokes n: 5 / 1

Time for Measurement: approx. 5 min / approx. 1 min

Standard Deviation: ± 15 %

Color Change: light grey š dark grey to black

Ambient Operating Conditions

Temperature: 0 to 40 °C

Absolute Humidity: < 40 mg H2O / L

Reaction Principle

Benzene + Alu+ š dark grey to black reaction product

Cross Sensitivity

Up to a concentration of approx. 40 ppm (n=5) and 200 ppm (n=1), toluene, xylene and ethyl benzene are kept in the pre-layer where they cause a brown discolouration. 800 ppm n-octane (n=5) and 4000 ppm n-octane (n=1) do not cause any discolouration in the indicating layer