H - Electricity – 01 – F
Patent
H - Electricity
01
F
148/17
H01F 1/147 (2006.01) C21D 1/70 (2006.01)
Patent
CA 1112136
ABSTRACT OF THE DISCLOSURE A method of stabilizing the viscosity and increasing the concentration of an aqueous magnesia slurry in which the magnesia has a citric acid activity less than 200 seconds. Magnesia concentrations of 0.1 to 0.24 grams magnesia per cubic centimeter of slurry can be stabilized by addition of 0.5% to 25% by weight of a decomposable phosphate-containing compound, calculated as P2O5, based on the dry weight of magnesia. Preferred phosphate compounds include monocalcium phosphate monohydrate, water soluble ammonium polyphosphate, dibasic calcium phosphate, and tribasic calcium phosphate.
308737
Haselkorn Michael H.
Taylor David W.
Armco Inc.
Smart & Biggar
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