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Chromium(III) complexes with DL-methionine and L-cysteine have beon investigated by pH-metric and spectrophotometric methods. In both investigated systems, three
complexes of the composition H : L = 1 : 1; 1 : 2; 1 :
3, have been found, stability constants for the resultant complexes have been determined by the method of
Bjerrum. Crystalline complexes with the investigated
ligands of the type:...
The interaction between Co(II) ions and thiolactic
acid TLA or thioglycolic acid TGA in aqueous 0.1 M NaClO₄
has been studied potentiometrically at 20°. The formation of complexes of the type Co(SRC00) and Co(SRC00)²⁻₂
(where R - CH₂ or CH₃CH) has been found. The stability
constants of these complexes have been determined as well
as the acid dissociation constants of TLA and TGA.
Thiolactic...
A la base des données accessibles, contenues dans la litterature et qui concernent l‘interaction ion-eau, on a
procédé à une analyse critique de l'application des termes
de promoteur ("structure making") et de briseur
("structure breaking"). On a attéré l'attention sur le
fait que la compréhension des notions ci-dessus par différents chercheurs est loin d'être unanime.
On...
The enthalpies of solution of NaI in water-acetamide
mixtures have been determined colorimetrically over the
temperature range 25-85 C. The thermodynamic results
obtained are correlated with results from earlier measurements
on water-amide mixtures.
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