反应条件
magnesium oxide; magnesium in neat (no solvent) mixt. of 180 parts SiO2, 144 parts Mg and 81 parts MgO, covered with a layer of Mg in a warmed up crucible, heating at red heat in a electric furnace, begin of the react. after 2-3 min. with strong glowing, best yields with a SiO2 grainsize of 0.14mm;; treatment of the reactionproduct with HCl, H2SO4 and HF one after another, Si powder of 99.09-99.60percent purity;;
参考文献
Vigouroux, E.
Ann. Chim. Phys., 1897 , vol. 12, p. 5 - 74
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Vigouroux, E.
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1895 , vol. 120, p. 94 - 96
