Complexometric precursors formulation methodology for industrial production of high performance fine and ultrafine powders and nanopowders for specialized applications
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United States of America Patent
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Sep 15, 2015
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Mar 15, 2013
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Mar 15, 2013
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Abstract
A method of forming a powder MjXp wherein Mj is a positive ion or several positive ions selected from alkali metal, alkaline earth metal or transition metal; and Xp is a monoatomic or a polyatomic anion selected from Groups IIIA, IVA, VA, VIA or VIIA; called complexometric precursor formulation or CPF. The method includes the steps of:
- providing a first reactor vessel with a first gas diffuser and an first agitator;providing a second reactor vessel with a second gas diffuser and a second agitator;charging the first reactor vessel with a first solution comprising a first salt of Mj;introducing gas into the first solution through the first gas diffuser,charging the second reactor vessel with a second solution comprising a salt of Mp;adding the second solution to the first solution to form a complexcelle;drying the complexcelle, to obtain a dry powder; andcalcining the dried powder of said MjXp.
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