A novel method for measuring ultra-trace levels of U and Th in Au, Pt, Ir, and W matrices using ICP-QQQ-MS employing an O<sub>2</sub> reaction gas
Khadouja Harouaka, E. W. Hoppe, I. J. Arnquist
Abstract
A mass shift method using ICP-MS/MS with O<sub>2</sub> reaction gas is used for ultra-trace determinations of U and Th in samples containing W, Ir, Pt, and Au derived polyatomic interferants without the need for extensive chemical sample preprocessing.
Topics & Concepts
Polyatomic ionAnalytical Chemistry (journal)ChemistryInductively coupled plasma mass spectrometryMass spectrometryTRACE (psycholinguistics)ChromatographyMoleculeOrganic chemistryPhilosophyLinguisticsRadioactive element chemistry and processingAnalytical chemistry methods developmentIon-surface interactions and analysis