Manganese: Predominant Role of Nodules and Crusts
作者： Geoffrey P. Glasby
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摘要: The importance of manganese in the marine environment can be deduced from fact that it is tenth most abundant element earth’s crust (av. cone. 0.093%) and available two valency states whose stability boundary lies within range natural (Glasby 1984). Manganese oxides also have a high adsorption capacity. 8Mn02, for example, has surface area about 260 m2 g-1 pHzpc 2.25 therefore adsorb cations such as Ni2+, Cu2+ Zn2+ waters. By comparison, iron fourth 5.17%) giving an average Mn/Fe ratio 0.02. It occurs environment. Fe oxy-hydroxides capacity large area. Goethite 7.1 both anions (e.g. REE, P, Mo, W etc.).
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