Rapid Volumetric Determination of Silicon in Iron and Steels, and Silica in Slag and Rocks
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概要
- 論文の詳細を見る
Silicic acid was precipitated as potassium fluosilicate in nitric acid solution and determined by a titration with a standard sodium hydroxide after dissolving the precipitate in hot water. Iron and steel were dissolved in nitric acid, carbon that separated out oxidized with potassium chlorate and then silicon was precipitated with potassium chloride and hydrofluoric acid as potassium fluosilicate. Basic slag was dissolved in nitric acid directly, and the acidic one after fusion with potassium carbonate, thenby potassium fluosilicate was precipitated. The time required for this analysis is about 17〜25 minutes, so this method is suited for the rapid analysis in steel works. This method was also applied to the determination of silica in several rocks and fluorspar.
- 東北大学の論文
著者
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KAKITA Yachiyo
The Research Institute for Iron, Steel and Other Metals
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Kakita Yachiyo
The Research Institute For Iron Steel And Other Metals
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Goto Hidehiro
The Research Institute For Iron Steel And Other Metal
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