Method of preparing ceramic powders using ammonium oxalate

Details Method of preparing ceramic powders using ammonium oxalate Method of preparing ceramic powders using ammonium oxalate

2011-08-09

2011-08-09

Li, Jun (Department: 1732)

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

C423S352000, C423S592100, C423S598000, C423S599000, C423S594160, C423S608000, C423S356000, C501S134000, C501S135000, C501S136000, C501S137000

Reexamination Certificate

active

07993611

ABSTRACT:
Wet-chemical methods involving the use of water-soluble hydrolytically stable metal-ion chelate precursors and an ammonium oxalate precipitant can be used in a coprecipitation procedure for the preparation of ceramic powders. Both the precursor solution and the ammonium oxalate precipitant solution are at neutral or near-neutral pH. A composition-modified barium titanate is one of the ceramic powders that can be produced. Certain metal-ion chelates can be prepared from 2-hydroxypropanoic acid and ammonium hydroxide.

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