Optimization of solid phase extraction for simultaneous quantification of efavirenz and levonorgestrel in wastewater using HPLC

This study aims to optimize the SPE parameters for purification and preconcentration of EFV and LVG to enable optimum detection and quantification by LC-20 Prominence High-Performance Liquid Chromatography (HPLC) system. The gradient elution method was used to profile and quantify efavirenz (EFA) an...

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Bibliographic Details
Main Authors: E. P. Munzhelele, W. B. Ayinde, W. M. Gitari, R. Mudzielwana
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Environmental Science
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Online Access:https://www.frontiersin.org/articles/10.3389/fenvs.2025.1539932/full
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