Application Range
Standard Measuring Range: 100 to 1,800 ppm
Number of Strokes n: 10
Time for Measurement: approx. 1.5 min
Standard Deviation: ± 10 to 15 %
Color Change: white -> brown violet
Ambient Operating Conditions
Temperature: 0 to 40 °C
Absolute Humidity: < 30 mg H2O / L
Reaction Principle
Toluene + SeO2 + H2SO4 -> brown violet reaction product
Cross Sensitivity
Xylenes are indicated with approximately the same sensitivity, but with a bluish violet color. Benzene discolors the entire indicating layer a diffuse
yellow brown. Petroleum hydrocarbons discolor the entire indicating layer a diffuse reddish brown. Methanol, ethanol, acetone and ethyl acetate do not
interfere in the range of their TLVs.
60/1 หมู่ 5, ถนนทางหลวงหมายเลข 36, ตำบลทับมา อำเภอเมืองระยอง จังหวัดระยอง, 21000
โทร: 038-949850 [50 คู่สาย] 038-694492, 038-694315-6 | Fax: 038-694493
AnusornProducts@gmail.com, AnusornBestsafe@gmail.com, Sales@anusornproducts.com
