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《JOURNAL OF BEIJING UNIVERSITY OF CHEMICAL TECHNOLOGY》 1996-03
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Research on Simultaneous Determination of Phosphoric Acid and Phosphorous Acid by Potentio Metric Titration-principal Component Analysis Method

Dong Huiru;Zhang Chuanyu;Dong Bendong;Wang Ping(Department of Applied Chemistry, Beijing University of Chemical Technology, Beijing, 100029)  
A new method for the simultaneous determinatiuon or phosphoric acid and phosphorous acid is presented. In this method, a mathemahcal mode of multivariate linear regression is establised by using potentiometric titration data of known mixed acids. The method is used to determine concentrations of phosphoric acid and phosporous acid respectively in the unknown mixed acids, and the results are satisfactory.
【CateGory Index】: O657.1
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