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2010-10-13 (Wed) 23:57:32 Shodex Technical question

Record: 46
Category: Column Usage Product: KW811 Sample: silica compounds
Question Analysis for silicic acid. You have an application for silicic acid analysis using an RSpak KC-811 column. My question is…Is the silicic acid in this application orthosilicic acid, matasilicic acid, disilicic acid, pyrosilicic acid? Another question I have is…Can the KC-811 separate the various forms of silicic acid mentioned above?     Answer 1, We used metasilic acid for the application data. 2, KC-811 cannot separate ortho- and meta-, because their characteristics and their molecular weight are not so different. And we think disilicic acid and pyrosilicic acid are not dissolved into the eluent condition. So, KC-811 cannot recognize the various forms of silic acids.     Additional Comments
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