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Abstract
A rapid method is proposed for separation of iron(III) with Aliquat 336S as the stationary phase coated on silica gel column with citric acid buffered at pH 4,5 as mobile phase. the extracted iron is stripped from the column with different mineral acids and determined spectrophotracally as its complex with 1,10-phenanthroline, Iron was separated from chromium, molybdenum, titanium and nickel which are generally associated in steel samples. Similar separations of iron from lead, zinc, cadmium, bismuth and cobalt have significance in environmental sample analysis. the method is extended for analysis of iron from samples of sediment and sea-water.