Geochemistry, Mining & Metalsmanager2020-07-17T17:54:30+00:00 Measurement of 87Sr/86Sr Isotope Ratios in Rocks by ICP-QQQ in Mass-Shift Mode Determination of Gold, Palladium, and Platinum in Noble Metal Ores Prepared by Fire Assay Rapid Analysis of Radium-226 in Water Samples by ICP-QQQ