Zr, Hf and REE distribution in river water under different ionic strength conditions

摘要

The Platani River flowing in south-central Sicily, interacting with evaporite rocks, generates a wide range of ionic strength in the water catchment from 0.1 to 5.0 mol kg(-1). We sampled 38 river sites and analysed the composition for the dissolved fraction filtered through 0.45 mu m, the truly dissolved fraction obtained through ultrafiltration (10 kDa) and the relative included colloidal fraction.