Trung, Huynh Van, Nguyen Xuan Chien, and Le Hong Minh. 2012. “Study of Separation of Rubidium and Strontium by Ion-Exchange Chromatography in HNO3 and HCl Media for Determination of Their Content and Isotopic Composition Using ICP-MS”. Vietnam Journal of Chemistry 48 (5). https://doi.org/10.15625/2186.