HPLC METHOD FOR DETERMINATION OF SOME PESTICIDE RESIDUES IN WATER SAMPLES
Date Issued
2020-09
Author(s)
Velkoska-Markovska, Lenche
Petanovska-Ilievska, Biljana
Abstract
A new, accurate and suitable high-performance liquid chromatography (HPLC) method with
ultraviolet-diode array detection (UV-DAD) for determination of some herbicide and organo-
phosphorus insecticide residues in different water samples has been developed and validated.
Separation and quantitative determination of the analytes were carried out using a Purospher
STAR RP-18e (30 x 4 mm; 3 m) analytical column, under the isocratic elution with mobile phase
consisted of acetonitrile/water (47/53, V/V), flow rate of 1 mL/min, constant column temperature
at 25 °C and UV-detection at 220 nm. The obtained results showed that analysed water samples
did not contain detectable residues of investigated pesticides.
ultraviolet-diode array detection (UV-DAD) for determination of some herbicide and organo-
phosphorus insecticide residues in different water samples has been developed and validated.
Separation and quantitative determination of the analytes were carried out using a Purospher
STAR RP-18e (30 x 4 mm; 3 m) analytical column, under the isocratic elution with mobile phase
consisted of acetonitrile/water (47/53, V/V), flow rate of 1 mL/min, constant column temperature
at 25 °C and UV-detection at 220 nm. The obtained results showed that analysed water samples
did not contain detectable residues of investigated pesticides.
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