搜索结果: 1-6 共查到“地质学 Oxalate”相关记录6条 . 查询时间(0.071 秒)
Atmospheric dissolved iron deposition to the global oceans: effects of oxalate-promoted Fe dissolution, photochemical redox cycling, and dust mineralogy
global oceans oxalate-promoted Fe dissolution
2014/12/12
Mineral dust deposition is suggested to be a significant atmospheric supply pathway of bioavailable iron
(Fe) to Fe-depleted surface oceans.
Acidified Oxalate and Dithionite Solubility and Color of Synthetic, Partially Oxidized Al-Magnetites and their Thermal Oxidation Products
Aluminum substitution Electron microscopy Hematite Maghemite Magnetite Oxidation Solubility
2011/12/1
Abstract: Submicron-sized (∼3–60 nm) powders of Al-substituted magnetite were synthesized in the laboratory by precipitation methods by mixing appropriate molar volumes FeCl2, FeCl3 and AlCl3 so...
Experimental Determination of the Rates of Precipitation of Authigenic Illite and Kaolinite in the Presence of Aqueous Oxalate and Comparison to the K/Ar Ages of Authigenic Illite in Reservoir Sandstones
Illite Kaolinite Precipitation rate Oxalate K/Ar Sandstones North Sea
2011/12/29
The importance of precipitation rate as an effective control on illite and kaolanite formation during diagenesis has been examined by measuring precipitation rates, from Al fluid concentration, in a D...
Characteristics of Products from the Acid Ammonium Oxalate Treatment of Manganese Minerals
Acid ammonium oxalate Dissolution Grinding Manganese oxides Surface area X-ray powder diffraction
2011/12/31
To determine the parameters that control the attack of Mn minerals by acid ammonium oxalate in darkness (AAOD), rhodochrosite, pyrolusite, manganosite, hausmannite, and bixbyite were shaken with AAOD ...
Photochemical Dissolution of Goethite in Acid/Oxalate Solution
Goethite Iron Lepidocrocite Photochemical dissolution Oxalate
2012/1/11
During photochemical dissolution of goethite in acid/oxalate solution, Fe3+, Fe2+, and CO2 were released and towards the end of the reaction ferrous oxalate precipitated. The dissolution process invol...
Effect of Photolytic Oxalate Treatment on Soil Hydroxy-Interlayered Vermiculites
Hydroxy-interlayer Iron oxide Noncrystalline Oxalate extraction Photolytic reaction Soil Vermiculite
2012/2/8
The effects of Na-citrate-dithionite (NaCD), ammonium oxalate in the dark (NH4Ox-D), and photolytic reaction under ultraviolet radiation (NH4Ox-P) on the mineralogy of <2-µm fractions of selecte...