Molecular-scale study of Cr(<scp>vi</scp>) adsorption onto lepidocrocite facets by EXAFS, <i>in situ</i> ATR-FTIR, theoretical frequency calculations and DFT+U techniques
Xiaofei Li, Chuling Guo, Xiaohu Jin, Qian Yao, Qianqian Liu, Lijuan Zhang, Guining Lu, John R. Reinfelder, Weilin Huang, Zhi Dang
Abstract
Lepidocrocite, as a ubiquitous iron mineral, is widely detected in different morphologies in natural environments, controlling the mobility and availability of heavy metal ions (HMIs).
Topics & Concepts
LepidocrociteAdsorptionIn situFourier transform infrared spectroscopyMetalExtended X-ray absorption fine structureMetal ions in aqueous solutionIonChemical engineeringMaterials scienceInorganic chemistryChemistryGoethitePhysical chemistryMetallurgyAbsorption spectroscopyOrganic chemistryPhysicsEngineeringQuantum mechanicsIron oxide chemistry and applicationsRadioactive element chemistry and processingClay minerals and soil interactions