Enhanced Fingerprinting Strategy for Rapid and Accurate Quantitative Source and Contaminant Apportionment via Online SPE-UHPLC-QTOF-MS.
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DOI: 10.1021/acs.analchem.5c03642
Abstract: This study refined the nontarget fingerprinting approach for accurate source apportionment by combining online solid-phase extraction with liquid chromatography-quadrupole time-of-flight mass spectrometry in data-independent acquisition mode, enabling both source concentration estimation and compound-level attribution. We… read more here.
Keywords: source apportionment; enhanced fingerprinting; source; peak areas ... See more keywords