Determination of the minimum sample mass of U3Si2 to be used as candidate reference material for chemical analyses of total uranium and total silicide
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2018
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INTERNATIONAL SYMPOSIUM ON NATURALLY OCCURRING RADIOACTIVE MATERIAL, 8th
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Resumo
To guarantee the reliability and comparability of analytical data, the use of reference materials is essential.
Uranium intermetallic compounds, in particular U3Si2, have been the preferred fuel materials for high flux research
reactors. A method for the quantitative determination of the minimum representative sample mass of a candidate
for reference material for determination of total uranium and silicide is described and illustrated in this paper. The
analytical method used for determination of total uranium was the high precision potentiometric titration method
of Davies and Gray, while total silicide was determined gravimetrically. The study was conducted according to
ISO Guide 35. A preliminary test for homogeneity can be performed after homogenization as an integral part of
the candidate reference material preparation.
Como referenciar
SANTANA, L.V.; COTRIM, M.E.B.; SISTI, C.; SILVA, C.M.; SAID, D.S.; PIRES, M.A.F. Determination of the minimum sample mass of U3Si2 to be used as candidate reference material for chemical analyses of total uranium and total silicide. In: INTERNATIONAL SYMPOSIUM ON NATURALLY OCCURRING RADIOACTIVE MATERIAL, 8th, October 18-21, 2016, Rio de Janeiro, RJ. Proceedings... Vienna, Austria: IAEA, 2018. p. 356-360. (Proceedings Series IAEA). Disponível em: http://repositorio.ipen.br/handle/123456789/30147. 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.