Test Method for Sulfate Concentration in Purified Phosphoric Acid Production
In the production of purified phosphoric acid by solvent extraction,acid and ester phases of different quality will be produced in the process,among which sulfate content is the key indicator.The accurate and rapid test method of sulfate is studied,and compared with the precision test results,and the practical problems of purified phosphoric acid production are studied,so as to provide insights and references for peer producers and research insti-tutes in the same industry.
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