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Hydrophilic interaction liquid chromatography–tandem mass spectrometry (HILIC–MS/MS) method was validated with algal samples for verification and quantification of saxitoxin (STX), a potent neurotoxin which is listed in the Chemical Weapons Convention (CWC) in Schedule 1A. Isocratic elution, conventional bore HILIC column and high flow rate together with accurate post-column splitter provided detection...
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