Clean Lab Chemistry
A student prepares to dissolve basalt samples using hydrofluoric acid
AG 1-X8 anion resin columns for isolating Pb for isotopic analysis in rock samples
Sr-Spec resin columns for isolating Sr for isotopic analysis in carbonate samples.
(Clockwise from upper left) Lead Isotopic Standards NBS 981 (common lead ), NBS 982 (equal-atom lead), and NBS 983 (radiogenic lead); An array of enriched-isotope spikes (REE, Hf, and Pb) from Oak Ridge National Laboratory; First-generation USGS standards spanning an array of rock types such as dunite, peridotite, basalt, and nepheline syenite