Formation of ketoprofen methyl ester artifact in GC–MS analysis of basic drugs in horse urine using alkaline liquid-liquid extraction
This study investigates the unexpected formation of ketoprofen methyl ester (KME) during the routine alkaline liquid–liquid extraction (LLE) process for analyzing basic drugs in horse urine samples using GC–MS analysis. An unidentified peak in the GC–MS chromatogram was observed in certain horse uri...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2024-05-01
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Series: | Arabian Journal of Chemistry |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1878535224001291 |