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Ultra-high performance liquid chromatography-quadrupole time-of-flight mass spectrometry to identify contaminants in water: an insight on environment…

2013

Ultra-high pressure liquid chromatography-quadrupole time-of-flight mass spectrometry (UHPLC-QqTOF-MS) acquiring full scan MS data for quantification, and automatic data dependent information product ion spectra (IDA-MS/MS) without any predefinition of the ions by the user was checked for identifying organic contaminants in water samples. The use of a database with more than 2000 compounds achieved high confidence results for a wide number of contaminants based upon retention time, accurate mass, isotopic pattern and MS/MS library searching. More than 20 contaminants, mostly pharmaceuticals, but also mycotoxins and polyphenols were unambiguously identified. Furthermore, the combination of s…

Detection limitChromatographyTime FactorsChemistryOrganic ChemistryAnalytical chemistryWaterGeneral MedicineContaminationMass spectrometryBiochemistryLibrary searchingAnalytical ChemistryTriple quadrupole mass spectrometerMolecular WeightRiversTandem Mass SpectrometryPrincipal component analysisQuadrupole time of flightUltra high performancePesticidesChromatography High Pressure LiquidWater Pollutants ChemicalJournal of chromatography. A
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