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一、引言在水溶液中硅酸的最重要的性质是其自行聚合作用,即单硅酸→低聚硅酸→高聚硅酸。然后,在pH7—10、无盐存在时,它可
I. INTRODUCTION The most important property of silicic acid in aqueous solution is its self-polymerization, that is, monosilicic acid → oligomeric silicic acid → high-polysilicic acid. It is then available at pH 7-10 in the absence of salt