Fig. 4
From: Immobilization of mercury in contaminated soils through the use of new carbon foam amendments
Mercury fractionation following the USEPA method 3200 (M: mobile Hg, SM: semi-mobile Hg, NM: non-mobile Hg) (left column) and the Tessier method (EX: exchangeable Hg, CB: Hg bound to carbonates, OX: Hg bound to Fe–Mn oxides, OM: Hg bound to organic matter, RS: residual Hg) (right column) in soils before and after treatment with the carbon foams for a A soil, b S soil and c T soil