Stable colloid of Co(OH)2 prepared by moving chemical reaction boundary method (MCRBM) in agarose gel
2001
Abstract In this letter, we show the preparation of a stable colloid of Co(OH) 2 in agarose gel by a novel synthetic method — the moving chemical reaction boundary method (MCRBM) and briefly show the results of experiments. The results obviously demonstrate that a stable colloid of Co(OH) 2 can be prepared by the electromigration chemical reaction between cobaltic and hydroxyl ions in agarose gel, that the colloid sizes range from 100 to 400 nm, that the concentration of colloid, macroscopically, is uniform and controllable, and that, with the aid of MCRBM, a composite material can be further prepared.
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