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本文用量气法较为系统地研究了碱浓度对Ｓｉ－Ｈ＿２Ｏ体系的反应速度影响规律，得出硅在碱溶液中的反应本质是碱催化Ｓｉ和Ｈ＿２Ｏ的反应；反应过程中，ＳｉＯ＿２／Ｎａ＿２Ｏ的比值并不确定，而随反应条件改变以及反应在一定条件下为零级反应的结论。
In this paper, the effect of alkali concentration on the reaction rate of Si-H 2 O system was systematically studied by means of gas-gas method. It was found that the reaction of silicon in alkali solution was the basic reaction of Si and H 2 O. During the reaction, the ratio of SiO 2 / Na 2 O Not sure, but with the reaction conditions change and the reaction under certain conditions for the zero-order reaction conclusion.