Styrene 10/b, 10 - 250 PPM, Part # 6733141, 10 Tests 

Application Range

Standard Measuring Range: 10 to 250 ppm

Number of Strokes n: 20

Time for Measurement: approx. 3 min

Standard Deviation: ± 15 to 20 %

Color Change: white š red brown

Ambient Operating Conditions

Temperature: 0 to 40 °C

Absolute Humidity: 3 to 15 mg H2O / L

Reaction Principle

Styrene + HCHO š red brown reaction product

Cross Sensitivity

Other organic compounds, which react with the formaldehyde/ sulfuric acid indicating system (e. g. xylene, toluene, butadiene and ethyl benzene) affect the indication. It is impossible to measure monostyrene in the presence of these compounds.

No interference by:

200 ppm methanol

500 ppm octane

400 ppm ethyl acetate