Fig 1.
Chemical structures of insecticides.
Fig 2.
Overlaid chromatograms of (a) okra blank and (b) matrix matched standard solution of Thiamethoxam Ethion and lambda Cyhalothrin.
Table 1.
Linearity parameters of the pesticides in solvent and matrix (okra).
Table 2.
Recovery data of pesticides at three concentrations from okra matrix.
Table 3.
Robustness data of Ethion, Lambda Cyhalothrin and Thiamethoxam.
Fig 3.
Measurement uncertainty (%) for pesticides expressed at a 95% confidence level.
Fig 4.
Quality Control charts of (A) Ethion (B) lambda Cyhalothrin and (C) Thiamethoxam at LOQ.