Process for the preparation of metal nitrates
AssigneeHoechst Aktiengesellschaft
InventorsGerhardt Horn, Jurgen Lohr, Klaus Moraw, Winfried Materne
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Abstract
A process for the preparation of aqueous metal nitrate solutions by dissolving the metal in nitric acid. The formation of ammonium nitrate is suppressed and the dissolution process is accelerated by adding nitrous acid or a substance which forms nitrous acid.
Claims24
A process for the preparation of a nitrate of a metal of atomic number 24 to 28 in aqueous solution comprising dissolution of said metal in nitric acid, and addition of 0.2 to 2 mols per gram atom of said metal of an additive selected from the group consisting of nitrous acid, a substance which forms nitrous acid, and mixtures thereof, whereby ammonium nitrate concentration is reduced.
Dependencies are inferred from the claim text.