Enhanced Fingerprinting Strategy for Rapid and Accurate Quantitative Source and Contaminant Apportionment via Online SPE-UHPLC-QTOF-MS
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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 sou... ...
