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22.
3.
2.
8 Linearity range and lower limit of determination
A veterinary drug standard solution was added to the honey blank sample, and a matrix-matched external standard standard curve was established at a concentration range of 5 to 500 μg/kg
.
For the 40 veterinary drugs studied, the linear correlation coefficients (2) are all greater than 0.
Methods The screening limit (LOC) and the limit of quantification (LOQ) were calculated by adding a standard solution of a blank honey matrix to the concentration of 1μg/kg, 2.
5μg/kg, 5ug/kg, 10ug/kg, 20ug/kg, 50μg/ kg and 100μg/kg
.
For the screening limit, an optimized screening method and qualitative criteria are used to determine the minimum concentration of the target compound that can be detected is defined as the screening limit
