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This studywas conducted to adopt the way of adjusting pH of the acidic lead chloride complexes solution(ALCCS) containing iron ions impurity using dilute lime(calcium oxide) suspension liquid.Its aim is to precipitate iron impurity in the pH of the solution between 2 and 3 in the first step and subsequently to prepare lead hydroxide that is the lead oxide precursorin the pH of the solution between 7.5 and 9 after filtering.