Recently, the China Non-Ferrous Metals Association held a meeting in Guiyang to hold a meeting on the achievement evaluation of the “Accurate and Rapid Analytical Method of Pure Fluoride System for Pure Fluoride System†completed by Guizhou Branch of China Aluminum Corporation. The appraisal committee carefully listened to the research report of the research group and conducted an on-site examination. After questioning and discussion, experts believe that the project combines the actual production of refined aluminum electrolysis, and the first research has established the X-ray fluorescence spectroscopic analysis of aluminum, sodium, calcium and strontium in the pure aluminum electrolyte of pure fluorine system. After the project was census, collection, screening, particle size experiments, sample preparation, homogeneity experiments, and chemical constants, the matrix effect was eliminated, and a set of standard samples for internal control of refined aluminum electrolytes was developed. Through actual sample testing, the project has completed comparative experiments with corresponding traditional analytical methods. The analytical method has low detection limit, high precision, simple operation, fast analysis speed, and low cost. Technology has reached the international advanced level.
At the same time, experts suggest that research should be conducted starting from the internal phase structure of the refined aluminum electrolyte to further strengthen the research work of the refined aluminum electrolyte X-ray fluorescence spectrometry in order to achieve the fine aluminum of two different media of pure fluorine and fluorine-chlorine systems. The unified analysis method of the electrolyte system lays the foundation for unifying industry analysis standards and even national standards.
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