From chlorinated transformation products to highly hydrated ions with electrospray ionization mass spectrometry

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dc.contributor.authorPape, Jennifer Lynn
dc.contributor.supervisorMcIndoe, J. Scott
dc.date.accessioned2011-05-26T18:20:14Z
dc.date.available2011-11-13T12:22:03Z
dc.date.copyright2011en_US
dc.date.issued2011-05-26
dc.degree.departmentDepartment of Chemistry
dc.degree.levelMaster of Science M.Sc.en_US
dc.description.abstractPharmaceutical and personal care products (PPCPs) triclosan and nonylphenol, were investigated throughout wastewater treatment in a publicly owned treatment works (POTW). Both compounds react quickly upon chlorination under laboratory conditions, transforming into mono and dichlorinated species. A novel quantitative analytical method employing mass spectrometry was demonstrated on Delaware POTW wastewater samples. Specific transformation products were not detected and the concentration of precursor analytes was not found to be statistically different after treatment. Under tertiary chlorination conditions, transformation products are not produced. ESI-MS was used to explore triply charged, highly hydrated lanthanide ions and charge reduction was directly observed in the MS collision cell. This process proceeded via proton transfer, proved by a strong correlation between the minimum number of water molecules required to stabilize the Ln3+ and the first hydrolysis constant (R2=0.92). The effect of different solvents on the surface activity of ions under electrospray ionization (ESI) was investigated using dilute ionic liquids and the relative surface activity of a given pair of ions could be reversed by moving from a relatively polar solvent to a relatively non-polar one.en_US
dc.description.scholarlevelGraduateen_US
dc.identifier.bibliographicCitationPape, J.; McQuinn, K.; Hof, F. et al. New Journal of Chemistry, 2011, Advance Article DOI: 10.1039/C1NJ20105Ken_US
dc.identifier.urihttp://hdl.handle.net/1828/3315
dc.languageEnglisheng
dc.language.isoenen_US
dc.rights.tempAvailable to the World Wide Weben_US
dc.subjectChlorinationen_US
dc.subjectMass spectrometryen_US
dc.subjectAnalyticalen_US
dc.subjectPPCPen_US
dc.subjectNonylphenolen_US
dc.subjectTriclosanen_US
dc.subjectLanthanideen_US
dc.subjectWastewateren_US
dc.subjectTransformation producten_US
dc.subjectDBPen_US
dc.subjectTertiaryen_US
dc.subjectElectrosprayen_US
dc.subjectESIen_US
dc.titleFrom chlorinated transformation products to highly hydrated ions with electrospray ionization mass spectrometryen_US
dc.typeThesisen_US

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