Acylation as a successful derivatization strategy for the analysis of pinacolyl alcohol in a glycerol-rich matrix by GC-MS: application during an OPCW Proficiency Test

Analysis of chemical warfare agents by gas chromatography-mass spectrometry: methods for their direct detection and derivatization approaches for the analysis of their degradation products

Carlos A. Valdez, Roald N. Leif, Saphon Hok et al. · Reviews in Analytical Chemistry · 2017 · 112 citations · Full text

Natural Sciences, Chemistry, Analytical Chemistry +14

Effective methylation of phosphonic acids related to chemical warfare agents mediated by trimethyloxonium tetrafluoroborate for their qualitative detection and identification by gas chromatography-mass spectrometry

Carlos A. Valdez, Roald N. Leif, Armando Alcaraz · Analytica Chimica Acta · 2016 · 40 citations · Full text

Natural Sciences, Chemistry, Analytical Chemistry +16

Methylation protocol for the retrospective detection of isopropyl-, pinacolyl- and cyclohexylmethylphosphonic acids, indicative markers for the nerve agents sarin, soman and cyclosarin, at low levels in soils using EI-GC–MS

Carlos A. Valdez, Roald N. Leif, Saphon Hok et al. · The Science of The Total Environment · 2019 · 35 citations · Full text

Pharmacy, Soil Sciences, Toxicology +16

Efficient derivatization of methylphosphonic and aminoethylsulfonic acids related to nerve agents simultaneously in soils using trimethyloxonium tetrafluoroborate for their enhanced, qualitative detection and identification by EI-GC–MS and GC–FPD

Carlos A. Valdez, Mira K. Marchioretto, Roald N. Leif et al. · Forensic Science International · 2018 · 31 citations · Full text

Agriculture, Chemistry, Soil Sciences +17

Derivatization of pinacolyl alcohol with phenyldimethylchlorosilane for enhanced detection by gas chromatography–mass spectrometry

Rebecca L.F. Albo, Carlos A. Valdez, Roald N. Leif et al. · Analytical and Bioanalytical Chemistry · 2014 · 24 citations

Natural Sciences, Chemistry, Analytical Chemistry +9