Certification of a fish otolith reference material in support of quality assurance for trace element analysis | Zendy

Ralph E. Sturgeon | Zendy; Scott Willie | Zendy; Lu Yang | Zendy; Robert R. Greenberg | Zendy; R Spatz | Zendy; Z. Chen | Zendy; Christine Scriver | Zendy; Vincent Clancy | Zendy; Joseph Lam | Zendy; Simon R. Thorrold | Zendy

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Certification of a fish otolith reference material in support of quality assurance for trace element analysis

Author(s) -

Ralph E. Sturgeon,

Scott Willie,

Lu Yang,

Robert R. Greenberg,

R Spatz,

Z. Chen,

Christine Scriver,

Vincent Clancy,

Joseph Lam,

Simon R. Thorrold

Publication year - 2005

Publication title -

journal of analytical atomic spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.899

H-Index - 113

eISSN - 1364-5544

pISSN - 0267-9477

DOI - 10.1039/b503655k

Subject(s) - certified reference materials , neutron activation analysis , isotope dilution , inductively coupled plasma mass spectrometry , otolith , quality assurance , trace element , environmental chemistry , chemistry , inductively coupled plasma , environmental science , fish <actinopterygii> , mass spectrometry , radiochemistry , detection limit , fishery , chromatography , physics , plasma , economy , organic chemistry , quantum mechanics , economics , biology , service (business)

Production and certification activities relating to the development of a new Certified Reference Material (FEBS-1) based on a fish otolith matrix are described. The material was prepared from 4.5 kg of dried saggital otolith harvested from the red snapper (Lutjanus campechanus), ball milled and sieved to <200 mesh, homogenized, irradiated, bottled into 1 g aliquots and certified for major, minor and trace element composition using inductively coupled plasma mass spectrometry (ICP-MS), isotope dilution-ICP-MS, neutron activation, ICP-optical emission spectrometry and X-ray fluorescence. Several laboratories participated in this activity, providing for a robust estimate of each measurand. Certified values for seven elements (Ba, Ca, Li, Mg, Mn, Na and Sr) are reported, accompanied by full GUM uncertainty estimates. Reference values for Cd, Cu, Ni, Pb and Zn are also provided; these elements were considered to be not certifiable because of the large component of uncertainty contributed by homogeneity. This CRM will be of interest to those laboratories requiring quality assurance of measurements of bulk elemental composition of otoliths and other marine aragonites.Peer reviewed: NoNRC publication: Ye

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