Application Range
Standard Measuring Range: 5 to 30 / 0.5 to 5 ppm
Number of Strokes n: 2 / 8
Time for Measurement: approx. 2 min / approx. 5 min
Standard Deviation: ± 15 to 20 %
Color Change: white -> blue green
Ambient Operating Conditions
Temperature: 2 to 40 °C
Absolute Humidity: max 20 mg H2O / L
Reaction Principle
a) CH3Br + H2S2O7 -> HBr
b1) HBr + CrVI -> Br2
b) Br2 + o-tolidine -> blue green reaction product
Cross Sensitivity
Vinyl chloride: 2 ppm no reading.
Carbon tetrachloride: 2 ppm no reading
Perchloroethylene and Trichloroethylene: 5 ppm changes the indicating layer to a light yellow.
1.2-dichloroethylene: 20 ppm result in a reading of approx. 3 ppm.
1.1-dichloroethylene: up to 2 ppm the sensitivity is the same as with methyl bromide.
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
