Comment: |
no protolysis constants, SSD, SSA; diagenetic Fe oxyhydroxide isolated in situ by vertically inserting inert collectors into the sediment of McFarlane lake located near Sudbury, Ontario; circumneutral McFarlane (pH=7.40); predominantly ferrihydrite; C(org)/Fe molar ratio 2.3/-1.0 (humic acid, fulvic acid); traces of Cd, Cu, Ni, Pb, Zn; overlying water with 410+/-39 µM Ca, 214+/-8 µM Mg, 1430+/-60 µM Na, 33+/-8 mM K, 227+/-14 µM SO4, 1790+/-35 µM Cl, c(org) 5.2+/-1.2 mg C/l |