Speciation des metaux lourds dans les sediments d'un cours d'eau en aval d'un rejet industriel

Heavy Metals Desorption from Synthesized and Natural Iron and Manganese Oxyhydroxides: Effect of Reductive Conditions

“…The total concentrations of heavy metals (Table 1) were determined after acidic digestion (13)(14)(15). A grain size distribution study was carried out using the AFNOR protocol X 31-107 (17).…”

“…A specific surface area of 273 m 2 · g −1 was found. Total concentrations of heavy metals were evaluated by acidic digestion according to Ritter and Sung's protocol (13)(14)(15). Pb and Cd were analyzed by polarography (DPASV).…”

Release of Metals from Iron Oxyhydroxides under Reductive Conditions: Effect of Metal/Solid Interactions

“…Total concentrations of heavy metals were evaluated by acidic digestion according to the protocol of Ritter and Sung (6)(7)(8). Pb, Cd, and Zn were analyzed by polarography (DPASV) ( Table 1).…”

Influence of Carbonates on the Surface Charge of a Natural Solid

“…Geochemical characterization was carried out at the French Geological Survey (BRGM, Orléans) ( Table 1). The total concentrations of heavy metals (Table 1) were determined after acidic digestion (13)(14)(15). Grain size distribution was carried out using the ISO protocol 11277 (16).…”