Method for making soluble zirconium and hafnium organic acid com

Details Method for making soluble zirconium and hafnium organic acid com Method for making soluble zirconium and hafnium organic acid com

1995-06-07

1996-12-03

Nazario-Gonzales, Porfirio

Organic compounds -- part of the class 532-570 series

Organic compounds

Heavy metal containing

C07F 700

Patent

active

055810039

ABSTRACT:
Soluble zirconium and hafnium organic acid complexes are made by forming an aqueous mixture of a basic carbonate of either zirconium or hafnium and the organic acid such a propionic acid. The molar ratio of the organic acid to metal in the carbonate is greater than about 1.5. The mixture is heated with stirring to form the complex which is then recovered as a dry, free-flowing powder.

REFERENCES:
patent: 5182408 (1993-01-01), Sharif
patent: 5220045 (1993-06-01), Knauf et al.
Warren B. Blumenthal, "The Chemical Behavior of Zirconium", D. Van Nostrand Co., Inc., Princeton, NJ, 1958, pp. 314-319.
R. C. Mehrotra & R. Bohra, "Metal Carboxylates", Academic Press, 1983, p. 240.

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