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2 days ago · Iron is a chemical element; it has symbol Fe (from Latin ferrum 'iron') and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is, by mass, the most common element on Earth, forming much of Earth's outer and inner core.
- Iron (Disambiguation)
Iron, a member of the DC Comics superhero group, the Metal...
- Electrolytic Iron
ESR (electro-slag remelting) method is a process of dripping...
- Iron (Disambiguation)
1 day ago · Fe, Mn, Al, Ti, Ca, Mg, and Zr oxides are among the nano-sized metal oxides described in the literature for defluoridation. Additionally, it has been shown that rare earth metal oxides have strong F ions removal sorption capabilities. These metals can be employed as single oxide adsorbents, although doing so is costly.
1 day ago · Carbon monoxide strips oxygen off metal oxides, reducing them to pure metal in high temperatures, forming carbon dioxide in the process. Carbon monoxide is not usually supplied as is, in the gaseous phase, in the reactor, but rather it is formed in high temperature in presence of oxygen-carrying ore, or a carboniferous agent such as coke, and ...
3 days ago · The metal begins to oxidize in air at 200 °C. It resists corrosion by acids, including aqua regia, hydrochloric, sulfuric, nitric and phosphoric acids. Niobium is attacked by hot concentrated sulfuric acid, hydrofluoric acid and hydrofluoric/nitric acid mixtures. It is also attacked by hot, saturated alkali metal hydroxide solutions.
2 days ago · Various materials are being explored for this purpose, including layered transition metal oxides, polyanionic compounds, Prussian blue analogs, and organic materials. Among many candidates, the layered transition metal oxides (Na x TMO 2 ) has obvious advantages of high energy density, simple synthesis, and low cost, making it the most ...
1 day ago · In this study, three different metal oxides derived from metal–organic frameworks (MOFs), including CeO 2, ZrO 2, and Fe 2 O 3 were used as porous supports for loading Pt nanoparticles, and the supported catalysts (viz., Pt/CeO 2, Pt/ZrO 2, and Pt/Fe 2 O 3) were evaluated for the catalytic deoxygenation of stearic acid to produce olefins by analytical pyrolysis-gas chromatography/mass ...
11 hours ago · The results indicated that the mechanism of phosphate adsorption by metal oxides included two parts: iron oxide and magnesium oxide. On the one hand, since the \({\mathrm HPO}_4^2-\) and \({\mathrm H}_2\mathrm{PO}_4^-\) were existed mainly in the solution at pH 2–10 (Li et al. 2022a ), Mg(H 2 PO 4 ) 2 and MgHPO 4 formed by precipitation ...
