SEARCH Articles Figures Tables Analysis of rare earth matrices by spark source mass spectrometry Analysis of rare earth mixtures Gao Polarographic Analysis of the Rare Earths J Conzemius, Analysis of rare earth matrices by spark source mass spectrometry Polarographic analysis of the rare earths Quantitative analysis of rare earth element with simulated concentration Rare earth element variations in volcanogenic massive sulfides, Bathurst Mining Camp, New Brunswick evidence from laser-ablation ICPMS analyses of phosphate accessory phases Taylor, Trace element analysis of rare earth elements by spark source mass spectroscopy