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- W2376785955 abstract "The method of rapid determining aluminum content in aluminum alloy and aluminum salt by using potassium fluoroaluminate are studied. After the sample is dissolved and the disturbance eliminated, the Al3+ is deposited as Al(OH)3 by using thin solution of NaOH,while that remains pH (7～8). Then,KF is added,K3AlF6 is produced and dissociated KOH is released. With phenolphthalein as the indicator and HCl as the standard solution, dissociated KOH is titrated to end point. The relative standard deviation of determination results is 0.33%, and the recovery rate of add standard is between 97.10%～101.06%. The results show that the improved method is simple, quick, accurate and with little disturbance. It is an accurate and fast way of determining aluminum content, which can not only meet the demand of production but can also be used in experiment designed. The method has achieved desired results in the experiments conducted." @default.
- W2376785955 created "2016-06-24" @default.
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- W2376785955 date "2006-01-01" @default.
- W2376785955 modified "2023-09-26" @default.
- W2376785955 title "Study on Rapid Determination of Aluminum Content in the Aluminum Alloy and Aluminum Salt by Using Potassium Fluoroaluminate" @default.
- W2376785955 hasPublicationYear "2006" @default.
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