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Reduction of Mass-Dependent Interferences in Inductively Coupled Plasma-Mass Spectrometry by Using Flow-Injection Analysis

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Abstract:

The use of flow-injection analysis to reduce mass-dependent interferences in inductively coupled plasma-mass spectrometry has been assessed. Results are presented which demonstrate nearly complete elimination of analyte-signal suppression under operating conditions where dispersion (D) is approximately 25. Furthermore, results obtained with flow-injection analysis exhibit greater precision, take less time, and suffer only a 40% reduction in sensitivity, compared to continuous-flow analysis.

Keywords: ICP-MS; Instrumentation; Mass spectroscopy

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/0003702894204164

Affiliations: 1: Department of Chemistry, Indiana University, Bloomington, Indiana 47405; present address: Amoco Research Center, P.O. Box 400, M.S. B-6, Naperville, IL 60566 2: Department of Chemistry, Indiana University, Bloomington, Indiana 47405

Publication date: November 1, 1989

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