Interlaboratory comparison for the characterization of a brazilian mussel reference material
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Journal of the Brazilian Chemical Society
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Resumo
Bivalve mollusks have long been used in biomonitoring studies to assess seawater environmental
status. The use of suitable certified reference materials is a straightforward means to attain quality
assurance in such studies as they allow the traceability of measurement results, making it possible
the comparison of data obtained at different places and periods of time. This paper describes the
certification of element mass fractions for a Perna perna mussel reference material produced in
Brazil. After homogeneity and stability studies, an interlaboratory comparison was performed for
element characterization. Robust means were taken as assigned values and contributions due to
element characterization and from homogeneity and stability studies were taken into account to yield
expanded uncertainties. From the adopted certification criteria, informative values for 20 elements
were obtained and it was possible to assign certified values for the following 16 elements: Al, As,
Ca, Cd, Cl, Co, Cu, Fe, K, Mg, Mn, Na, Ni, Se, Th and Zn.
Como referenciar
MOREIRA, EDSON G.; VASCONCELLOS, MARINA B.A.; MAIHARA, VERA A.; CATHARINO, MARILIA G.M.; SAIKI, MITIKO. Interlaboratory comparison for the characterization of a brazilian mussel reference material. Journal of the Brazilian Chemical Society, v. 29, n. 4, p. 823-830, 2018. DOI: 10.21577/0103-5053.20170205. Disponível em: http://repositorio.ipen.br/handle/123456789/28851. Acesso em: 20 Mar 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.