Toluene 50/a, 50 - 400 PPM, Part # 8101701, 10 Tests 

Application Range

Standard Measuring Range: 50 to 400 ppm

Number of Strokes n: 5

Time for Measurement: approx. 1,5 min

Standard Deviation: ± 10 to 15 %

Color Change: white š brown

Ambient Operating Conditions

Temperature: 0 to 30 °C

Absolute Humidity: 5 to 12 mg H2O / L

Reaction Principle

Toluene + I2O5 + H2SO4 š I2

Cross Sensitivity

Xylenes will be indicated with different sensivitites. Benzene causes a total discoloration into yellow. Petroleum hydrocarbons cause a total discoloration into a diffuse red brown. Methanol, ethanol, acetone and ethyl acetate do not disturb the discoloration in the range of TLV-values.