Alizarin-9-imine as indicator in acetonitrile and in pyridine media

M. Blanco, J. Barbosa

    Research output: Contribution to journalArticleResearchpeer-review


    The behaviour of alizarin-9-imine as an indicator in acetonitrile and pyridine media has been studied. The protonation constant in acetonitrile, KI = aHi + aH+ · aI = 10-3.4, has been determined. Organic acids, amino-acids, and aliphatic and aromatic amines have been titrated with errors below 2%. © 1983.
    Original languageEnglish
    Pages (from-to)61-64
    Publication statusPublished - 1 Jan 1983

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