Abstract
National Bureau of Standards residual fuel oil Standard Reference Materials, SRM 1619, 1620a, 1634a, and former SRM 1634 were analyzed for 20 trace elements by instrumental neutron activation analysis to determine whether these materials are suitable trace element standards for elements other than the 6 elements certified in SRM 1634a. The SRM 1634a is a suitable standard for Ni, V, Se, Na, Zn, As, Cr, Fe, Ce, Sm and La but Co, Ba, Nd, Cs, Eu, Sc, and Sb appear to be heterogeneously distributed and are probably present in mineral particulates. The SRM 1619 is a convenient standard for V and for low Ni content oils, but SRM 1620a does not appear to be a suitable standard for any trace element investigated.
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Filby, R.H., Van Berkel, G.J., Bragg, A.E. et al. Evaluation of residual fuel oil standard reference materials as trace element standards. Journal of Radioanalytical and Nuclear Chemistry, Articles 91, 361–368 (1985). https://doi.org/10.1007/BF02061039
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DOI: https://doi.org/10.1007/BF02061039