Isotope fractionation of alkaline and alkaline-earth elements (Li, K, Rb, Mg, Ca, Sr, Ba) during diffusion in aqueous solutions

Supplementary material for Manuscript entitled: "Isotope fractionation of alkaline and alkaline-earth elements (Li, K, Rb, Mg, Ca, Sr, Ba) during diffusion in aqueous solutions" The Supplementary Materials contains: (1) Supplementary material S1, which is a full mathematical proof of the key experimental concept of this study, (2) Table S2, which tabulates the detailed instrumental setting for analyses of Li, K, Rb, Mg, Ca, Sr, Ba isotopes using Nu 1700 Sapphire MC-ICP-MS, and (3) Tables S3-1 to S3-7, which are the detailed elemental and isotopic data table of all diffusion experiments reported in this study.