Process for forming calcium nitrite

Details Process for forming calcium nitrite Process for forming calcium nitrite

C - Chemistry, Metallurgy

01

B

23/207

C01B 21/50 (2006.01)

Patent

CA 1152726

Ref. 01-5639 PROCESS FOR FORMING CALCIUM NITRITE Abstract of the Disclosure Disclosed herein is a process for preparing aqueous solutions of calcium nitrite by forming a solution of sodium nitrite and calcium nitrate; cooling the solution to precipitate sodium nitrate; admixing calcium hydroxide with the residual aqueous phase and forming a double salt of calcium nitrite/ calcium hydroxide; and decomposing the double salt in the presence of water to form a solution of calcium nitrite and insolubilize calcium hydroxide. -1-

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