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  • Title: Direct complexometric determination of aluminium in "alzinoy".
    Author: Bhargava OP.
    Journal: Talanta; 1975; 22(4-5):471-2. PubMed ID: 18961667.
    Abstract:
    A simple and precise method for the complexometric determination of aluminium in "Alzinoy" (a binary alloy of aluminium and zinc) is described. After dissolution of the sample in hydrochloric acid, aluminium, zinc and any lead and iron are complexed with excess of EDTA. The excess of EDTA is titrated with lead solution, with Xylenol Orange as indicator. Ammonium fluoride is then added to decompose the Al-EDTA complex, and the EDTA liberated is titrated with lead solution. Four samples can be analysed in about 45 min.
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