Cheng, TingNebel, OliverSossi, PaoloChen, Fukun2015-12-132215-0161http://hdl.handle.net/1885/75556A combined procedure for separating Fe and Hf from a single rock digestion is presented. In a two-stage chromatographic extraction process, a purified Fe fraction is first quantitatively separated from the rock matrix using AG-MP-1M resin in HCl. HafniumAuthor/s retain copyrightRefined separation of combined Fe-Hf from rock matrices for isotope analyses using AG-MP-1M and Ln-Spec chromatographic extraction resins201410.1016/j.mex.2014.08.0042015-12-11