High-performance liquid chromatographic determination of cocaine and benzoylecgonine by direct injection of human blood plasma sample into an alkyl-diol-silica (ADS) precolumn

Marı́a del Rosario BrunettoLubin GutiérrezYelitza DelgadoMáximo GallignaniJ.L. BurgueraM. Burguera2026-03-222026-03-22200310.1007/s00216-002-1710-3https://doi.org/10.1007/s00216-002-1710-3https://andeanlibrary.org/handle/123456789/53798Citaciones: 18enBenzoylecgonineChromatographyChemistryDetection limitExtraction (chemistry)High-performance liquid chromatographyAlkylSample preparationSolid phase extractionDiolHigh-performance liquid chromatographic determination of cocaine and benzoylecgonine by direct injection of human blood plasma sample into an alkyl-diol-silica (ADS) precolumnarticle