Abstract
ABSTRACT In the present work the chemical speciation of ternary complexes systems formed by VO2+ ion with picolinic acid and the amino acids = α-alanine (HαAla), glycine (HGly), serine (HSer), threonine (HThr), aspartic acid (H2Asp), glutamic acid (H2Glu), histidine (H2His) and cysteine (H2Cys) has been studied. The analysis involved the use of the potentiometric data with the least-squares program LETAGROP in aqueous solution at 25 oC in 1 M NaCl solution. The Hydrolysis products (hydroxylated complexes) of the VO2+ ion and the binary complexes formed in VO2+-amino acids and VO2+-picolinic acid systems in aqueous solution at 25 oC in 1 M NaCl solution were determined and analyzed in this work.
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