J. Braz. Chem. Soc. vol.28 número5

A suitable high-performance liquid chromatography method was developed and validated, using LLE and SPE as the extraction procedures, for the simultaneous detection of

In this study, the enantioselective analysis of luoxetine and norluoxetine in plasma samples was performed by the protein precipitation method and high performance

A novel stability-indicating high-performance liquid chromatographic assay method was developed and validated for quantitative determination of pramipexole dihydrochloride

A fast ultra-performance liquid chromatographic with diode-array detection method has been developed and validated for the determination of six protease inhibitors

Dispersive liquid-liquid microextraction (DLLME) using ionic liquid (IL) as extraction solvent was developed as a new approach for the determination of four pyrethroid pesticides in

27 developed the method using modified QuEChERS-based avoiding any clean-up step prior the determination by ultra-high performance liquid chromatography/tandem quadrupole

This work presents the validation results of a simple, fast and low-cost sample preparation method for the determination of pesticide residues in soil by ultrafast

Solid-liquid extraction with low temperature purification was optimized and validated for the determination of six PCBs in sewage sludge. The method is simple, easy to perform