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  • Keywords. Potentiometry; Glycine; Cephalosporins; Complexes.  (1)
  • 2020-2021
  • 2000-2004  (1)
  • 1960-1964
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    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 131 (2000), S. 1031-1038 
    ISSN: 1434-4475
    Keywords: Keywords. Potentiometry; Glycine; Cephalosporins; Complexes.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary.  The interaction of Ca(II), Cu(II), Zn(II), Pb(II), and La(III) ions with the antibiotics cephalexin, cefadroxil, cephaloridine, and cefoperazone as secondary ligands was investigated potentiometrically. The formation constants were determined for a ligand-to-metal ratio of 1:1 at 25°C and KNO3. The protonation constants of the complexes were evaluated for the system . The order of stability of the binary and ternary complexes were examined. It was found that glycine adds preferably [M(II)-cephalosporin] rather than to the aqueous complexes of M(II). In all cases 1:1:1 complexes were formed.
    Type of Medium: Electronic Resource
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