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Table 3 Differences in permethrin concentrations depending on the method

From: An improved extraction method for surface dosage of insecticides on treated textile fabrics

Weave Permethrin mass concentration (%) Fabric weight g/m2 Permethrin surface concentration mg/m2 with current method (1) Permethrin surface concentration mg/m2 with improved method (2) Ratio between both method (1/2)
Broken twill 2.92 212 6193 50 124
Satin 3.37 177 5957 25 238
Plain 3.46 186 6459 32 201
Twill 2.97 205 6073 25 242
Olyset 2.01 50 1000 12 83