Results 31 to 40 of about 17,623 (218)
On the nature of goethite, Mn-goethite and Co-goethite as supports for gold nanoparticles
Materials Chemistry and Physics, 2008 Fil: Campo, Betiana Carla. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Centro Cientifico Tecnologico Conicet - Bahia Blanca. Planta Piloto de Ingenieria Quimica. Universidad Nacional del Sur.
Campo, Betiana Carla +4 more
openaire +2 more sources
Crystals, 2023 The (110) facets of hematite have excellent adsorption performance for chromium. We aim to obtain hematite with a large specific surface area and exposed (110) facets by using natural needle-like goethite as the precursor.
Yuxin Li +4 more
doaj +1 more source
Immobilization of toxic metal cations on goethite-amended soils: a remediation strategy
Journal of Applied Sciences and Environmental Management, 2016 The study investigates a simple and viable option to reduce toxic metals mobility and availability in four surface (0–30cm) soils with varying physicochemical properties amended by different percentages of goethite.
Ifesinachi I. Mokwenye +4 more
doaj +1 more source
Rapid Microwave Method for Synthesis of Iron Oxide Particles under Specific Conditions
Crystals, 2021 The advantages of microwave technology over conventionally conducted experiments are numerous. Some of them are reduction in reaction time, a higher degree of process control, repeatability, and work safety.
Ivana Mitar +6 more
doaj +1 more source
Геохімія техногенезу, 2022 Secondary weathering microstructures such as oxide rims, oxide veins and pseudomorphs of the weathering products are genetically related to altered (weathered) iron-nickel grains (kamacite α-(Fe,Ni), taenite γ-(Fe,Ni), plessite α+γ-(Fe,Ni)) of the Gruz ...
S.N. Shyrinbekova
doaj +1 more source
Infrared Spectroscopic Characterization of Phosphate Binding at the Goethite-Water Interface [PDF]
, 2018 The interaction between phosphates and soil mineral surfaces, such as Fe- and Al-(oxyhydr)oxides, plays a crucial role in the P immobilization and thus its availability for plants.
Stella, Gypser +4 more
core +1 more source
Effect of Al content on the structure of Al-substituted goethite : a micro-Raman spectroscopic study [PDF]
, 2013 The characterization of X-ray diffraction, X-ray fluorescence, and field emission scanning electron microscope were used to confirm the successful preparation of Al-substituted goethite with different Al content. The micro-Raman spectroscopy was utilized
Liu, Haibo +4 more
core +1 more source
Kinetic study of goethite dehydration and the effect of aluminium substitution on the dehydrate [PDF]
, 2012 Goethite and Al-substituted goethite were synthesized and were characterized using XRD and XRF. The kinetic study of goethite dehydrate was investigated by TG and DTG at different heating rates (2, 5, 10, 15, 20 ◦C/min) and the effect of Al substitution ...
Xie, Qiaoqin +5 more
core +1 more source
Soil Systems, 2020 Density functional theory (DFT) calculations are a quantum mechanical approach that can be used to model chemical reactions on an atomistic scale. DFT provides predictions on structures, thermodynamics, spectroscopic parameters and kinetics that can be ...
James D. Kubicki, Tsutomu Ohno
doaj +1 more source
Frontiers in Earth Science, 2022 The International Ocean Discovery Program (IODP) Expedition 349 recovered Miocene oceanic red beds overlying the basaltic basement in the South China Sea.
Xuan Lyu +6 more
doaj +1 more source