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Table 2 Reproducibility of the test results on Olyset™

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

Sample Number of cycles
32 128 512 2048
Permethrin concentration in mg/m2 after 32 rubbing cycles Permethrin concentration in mg/m2 after 128 rubbing cycles Permethrin concentration in mg/m2 after 512 rubbing cycles Permethrin concentration in mg/m2 after 2048 rubbing cycles
1 4.0 8.0 12.0 14.2
2 3.1 8.2 12.1 14.8
3 4.2 7.8 11.8 14.0
Average value 3.8 8.0 12.0 14.3
Standard deviation 0.5 0.2 0.1 0.3
Variation coefficient (%) 17.7 2.0 1.0 2.4