Pyridinedicarboxylic acids contg. a carboxylic group in position 2 react with Al3+ ions in aq. soln. giving sol. chelates, the compn. and stability of which were studied by potentiometric measurements of H+ ion concn. with a glass electrode. At -log[H+] < 3.5, 1:1 and 1:2 metal:ligand mononuclear complexes are formed. Their stability consts. were calcd. at 25° in 0.5M NaClO4. The probable structure of these complexes is discussed.
Aluminum complexes with a-pyridinecarboxylic acids / Magri', Antonio; Napoli, A.. - In: ANNALI DI CHIMICA. - ISSN 0003-4592. - STAMPA. - 76:7-8(1986), pp. 277-282.
Aluminum complexes with a-pyridinecarboxylic acids
MAGRI', Antonio;
1986
Abstract
Pyridinedicarboxylic acids contg. a carboxylic group in position 2 react with Al3+ ions in aq. soln. giving sol. chelates, the compn. and stability of which were studied by potentiometric measurements of H+ ion concn. with a glass electrode. At -log[H+] < 3.5, 1:1 and 1:2 metal:ligand mononuclear complexes are formed. Their stability consts. were calcd. at 25° in 0.5M NaClO4. The probable structure of these complexes is discussed.File allegati a questo prodotto
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