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COMPLEXES OF NICKEL (II), COPPER (II), COBALT (II) AND MANGANESE (II) SULPHATES WITH 2-BROMOVALERIC ACID HYDRAZIDE AND ITS ACETONE HYDRAZONE.

By

Abstract

COMPLEXES OF NICKEL (II), COPPER (II), COBALT (II) AND MANGANESE (II) SULPHATES WITH 2-BROMOVALERIC ACID HYDRAZIDE AND ITS ACETONE HYDRAZONE.