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首页> 外文期刊>Russian Journal of Physical Chemistry >Specific Features of the Formation of the Disperse Polymetallic System Fe-Al-Mo-W in Aqueous Solutions
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Specific Features of the Formation of the Disperse Polymetallic System Fe-Al-Mo-W in Aqueous Solutions

机译：水溶液中分散多金属系统Fe-Al-Mo-W形成的具体特征

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摘要

The coreduction of Fe(III), MoO42-, and WO42- ions in chloride-containing aqueous solutions in the presence of 2-hydroxypropane-1,2,3-tricarboxylic acid on disperse aluminum suspended in the solution was studied. It was shown that the coprecipitation of molybdenum, tungsten and elemental iron proceeds during the reduction process; it was estimated that the precipitation of molybdenum prevails over the precipitation of tungsten. It was found that the formation of the deposit takes place on the surface of the aluminum particles; the shape and size of the initial aluminum matrix are preserved. It was experimentally found that the presence of the tungstate ions is preferable for the formation of particles with a smoother surface; the corresponding metals in the form of Fe + Mo and Fe + W solid solutions are present in the synthesized polymetallic disperse samples as well as elemental iron and aluminum.
机译：研究了在溶液中悬浮在溶液中悬浮的2-羟丙烷-1,2,3-三羧酸存在下含氯化物水溶液中的Fe（III），MOO42-和WO42-离药的核性。 结果表明，在减少过程中，钼，钨和元素铁的共沉淀; 据估计，钼的沉淀在钨的沉淀上占盛行。 发现沉积物的形成在铝颗粒的表面上进行; 初始铝基矩阵的形状和尺寸被保存。 实验发现，优选钨极离子的存在，以形成具有更平滑的表面的颗粒; Fe + Mo和Fe + W固体溶液形式的相应金属存在于合成的多种分散样品以及元素铁和铝中。

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