The chromium analogue of Werner's brown salt: isolation of tris[cis-di-µ-hydroxo-bis(ethylenediamine)chromium(III)]chromium(III) nitrate, [Cr{(OH)2Cr(en)2}3](NO3)6,aq

Abstract

The title compound has been isolated from an aqueous ethylenediamine solution of chromium(III) ions by ion-exchange separation followed by precipitation.