ULRICH, J.C.BUCHMANN, J.H.SARKIS, J.E.S.FROTA, M.N.CARMO, L.C.S.2014-11-172014-11-182015-04-022014-11-172014-11-182015-04-02ULRICH, J.C.; BUCHMANN, J.H.; SARKIS, J.E.S. Programa de qualidade em um laboratorio analitico de ultra-tracos. In: FROTA, M.N. (ed.); CARMO, L.C.S. (ed.). In: INTERNATIONAL CONFERENCE ON ADVANCED METROLOGY IN CHEMISTRY AND LABORATORY QUALITY; BRAZILIAN CONGRESS OF METROLOGY, 2nd; INTER-AMERICAN CONGRESS ON METROLOGY IN CHEMISTRY, 2nd; NATIONAL MEETING OF ACCREDITED LABORATORIES, 2nd, Dec. 4-7, 2000, Sao Paulo, SP. <b>Proceedings...</b> p. 518-528. Disponível em: http://repositorio.ipen.br/handle/123456789/15155.http://repositorio.ipen.br/handle/123456789/15155518-528openAccessquality controllaboratorieschemical analysisisotope ratiotrace amountselementsdata covariancesTexto completo de eventohttps://orcid.org/0000-0002-6745-8185