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Neptunium(V) Sorption on Montmorillonite: An Experimental and Surface Complexation Modeling Study
Diffuse-Layer Model Montmorillonite Neptunium Sorption Surface Complexation
2011/12/8
Abstract: Batch sorption experiments at fixed initial Np(V) concentration (…1 】 10−6 M 237Np), M/V ratio (4 g L−1), and ionic strength (0.1 molal NaNO3) were conducted to determine the eff...
Orthorhombic Jahn-Teller distortion and Si-OH in mozartite CaMn3+O[SiO3OH]: A single-crystal X-ray, FTIR, and structure modeling study
Orthorhombic Jahn-Teller distortion Si-OH CaMn3+O[SiO3OH X-ray FTIR: structure modeling study
2012/4/6
Thestructureofmozartite,CaMn O[SiO OH],wasre?nedinspacegroup P2 2 2 fromX-raysingle-crystaldatacollectedat100K(R 2.45%, R 2.62%),300K(R 2.60%,R 2.68%),and500K(R 2.79%, R 2.81%).TheMn O octahedronshows...
Surface structural controls on pyrite oxidation kinetics: An XPS-UPS, STM, and modeling study
controls pyrite oxidation kinetics XPS-UPS STM modeling study
2012/4/6
X-ray and ultraviolet photoelectron spectroscopy (XPS and UPS,respectively) and scan-ning tunneling microscopy (STM) were used to observe the initial oxidation of pyrite surfaces in air. The results s...