Element Composition of Fractionated Water-Extractable Soil Colloidal Particles Separated by Track-Etched Membranes
Dmitry S. Volkov,
Olga B. Rogova,
Svetlana T. Ovseenko
et al.
Abstract:Membrane fractionation with track-etched membranes was used to size-profile the microelement composition of water-extractable soil colloids (WESCs). The aim of the study is the element composition of narrow WESC fractions of typical chernozems in the range of 0.01–10 µm. Micro-/ultrafiltration through a cascade of track-etched polycarbonate membrane filters with pore sizes of 5, 2, 1, 0.8, 0.4, 0.2, 0.1, 0.05, 0.03, and 0.01 µm at room temperature was used. ICP–AES using direct spraying of obtained fractions w… Show more
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