Determination of Zr, Hf, Th and U by Isotope Dilution and Inductively Coupled Plasma-Quadrupole Mass Spectrometry After Concomitant Separation Using Extraction Chromatography
Département de Géologie, U.M.R. 6524 C.N.R.S., UniversitéBlaise Pascal, Centre Régional de Mesures Physiques, 5, rue Kessler, 63038 Clermont-Ferrand Cedex, France