An evaluation of M2+ interference correction approaches associated with As and Se in ICP-MS using a multi-day dataset along with ICP-MS/MS/HR-ICP-MS based analysis and hierarchical modeling as a means of assessing bias in fortified drinking waters and single component matrices

Author:

Smith Skyler W.12ORCID,Martin Roy W.3ORCID,Hanks Nicole4,Creed Patricia A.5ORCID,Kovalcik Kasey6,Wilson Robert A.2,Kubachka Kevin2ORCID,Brisbin Judith A.7ORCID,Landero Figueroa Julio A.8,Creed John T.5

Affiliation:

1. University of Cincinnati, U.S. Environmental Protection Agency (USEPA) Research Trainee, Center for Environmental Solutions and Emergency Response (CESER), Cincinnati, OH 45268, USA

2. U.S. Food and Drug Administration, Forensic Chemistry Center, Cincinnati, OH 45237, USA

3. USEPA, Center for Environmental Measurement and Modeling (CEMM), Cincinnati, OH 45268, USA

4. Student Service Contractor, USEPA, CESER, Cincinnati, OH 45268, USA

5. USEPA, CESER, 26 W. Martin Luther King Drive, Cincinnati, OH 45268, USA

6. USEPA, Center for Environmental Measurement and Modeling (CEMM), Research Triangle Park, NC 27711, USA

7. USEPA, Office of Ground Water and Drinking Water, Cincinnati, OH 45268, USA

8. University of Cincinnati, Department of Chemistry, Cincinnati, OH 45221, USA

Abstract

M2+ internal standard ions mimic the drift of other M2+ ions better than M1+. ICP-MS/MS and HR-ICP-MS are used to assess the bias of various M2+ corrections while a Bayesian hierarchical model is used to estimate day to day impacts on the correction.

Publisher

Royal Society of Chemistry (RSC)

Subject

Spectroscopy,Analytical Chemistry

Reference39 articles.

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3. E.Walton and T.White , Rare Earth Element Interferences in Collision Cell and Standard Mode ICP-MS Analyses of Arsenic and Selenium , 2015 , https://www.epa.gov/sites/production/files/2015-10/documents/rare_earth_interferences_on_icp-ms_analysis_of_arsenic_oct2015.pdf , accessed: July 9, 2018

4. Communication. Oxide and doubly charged ion response of a commercial inductively coupled plasma mass spectrometry instrument

5. The influence of polyatomic ion interferences in analysis by inductively coupled plasma source mass spectrometry (ICP-MS)

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