A quick and accurate method for the determination of cobalt in iron and steel samples is reported. The separation of cobalt from iron and other elements present in iron and steel samples was affected on an anion exchange resin. It is based on selective adsorption of various ion chlorides present at different concentrations of hydrochloric acid. The amount of cobalt was determined photometrically by forming its nitroso-R-salt complex.
M S KHAN ,ABDUL MAJEED ,E K BALLANTYNE ,
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