A easy, sensitive and inexpensive method was evolved the usage of solid-phase extraction, together with high performance liquid chromatographic method with UV detection for determination Thiophanate-Methyl and Its Metabolite Carbendazim residues in okra fruit samples. The evaluated parameters consist of the extracts via C18 cartridge, using acetonitrile solvent. The method becomes established the use of okra fruit samples spiked with Thiophanate-Methyl and Its Metabolite Carbendazim at different fortification levels (0.01 and 0.1 µg/g). Average recoveries (using each concentration six replicates) ranged 84-94%, with relative standard deviations less than 3%, calibration solutions concentration in the range 0.01-5.0 µg/mL and limit of detection (LOD) and limit of quantification (LOQ) were 0.003µg/mL and 0.01µg/mL respectively.
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