SEARCH Articles Figures Tables Cd speciation in soil solutions Chemical Speciation of Metals in the Top-soil and Subsoil Layers Metals speciation in soil solution Redox soil metal speciation-mobilization Soil solutions metal speciation Soil surface speciation Soil surface speciation, models Soil, element speciation Soil, lead speciation Soils chemical speciation Speciation for Soils and Sediments Speciation in Soils and Sediments Speciation in soils Speciation of Cd in soil solutions Speciation schemes for soils and sediments Speciation soil particle surfaces Speciation soil solution Speciation studies soil distribution Speciation to Assess Potentially Toxic Metals (PTMs) Bioavailability and Geochemical Forms in Polluted Soils