Journal ArticleDOI
Computer calculation of equilibrium constants of species present in mixtures of metal ions and complexing agents.
TLDR
The program, which employs the non-linear least-squares method, may be used to calculate equilibrium constants for hydrolysed metal ions, protonated ligands, and simple, Protonated, Hydrolysed, polynuclear, and mixed complexes.About:
This article is published in Talanta.The article was published on 1968-12-01. It has received 297 citations till now. The article focuses on the topics: Equilibrium constant & Metal ions in aqueous solution.read more
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The stability constant of the UO22+ -humic acid complex
Bohdan Kř'ibek,Jaroslav Podlaha +1 more
TL;DR: In this paper, a water-soluble uranyl-humic acid complex with the uranyl ion, UO22+ (log β 1 = 7.8 ± 0.4 at μ = 0.1), was shown to be stable at pH 3.5 and 7.
Journal ArticleDOI
Solution properties of Cu(II)-L-α-alaninehydroxamic acid
TL;DR: In this paper, the aqueous solution of copper(II) ions, bidentate L-α-alaninehydroxamic acid (CH3CH(NH2)-CONHOHHL) binds cupric ion forming of monodimeric and bis(L-α -alanine hydroxamato)copper (II) complexes were studied by potentiometric, ESR and spectrophotometric methods.
Journal ArticleDOI
Coordinating behaviour of diphenylphosphineacetic acid
T. Jarolím,J. Podlahová +1 more
TL;DR: In this article, the known synthesis of diphenylphosphineacetic acid (HA) was simplified, and the formation of the following species was detected and their stability constants were determined: HA (log β = 6·05), H 2 A + (7·6) and NiA 2(7·08).
Journal ArticleDOI
DECFAM—A new computer oriented algorithm for the determination of equilibrium constants from potentionmetric and/or spectrophotometric measurements—I: Basic principles of the method and calculations of equilibrium concentrations
Jaroslaw Kostrowicki,Adam Liwo +1 more
TL;DR: In this paper, a new algorithm for the evaluation of equilibrium constants from potentiometric and/or spectrophotometric data, based on the least-squares method has been worked out, which enables a very suitable description of the equilibrium problem and provides an analytical expression for all the quantities.
Journal ArticleDOI
A study of polyamine complex formation with H+, Cu(II), Zn(II), Pb(II), and Mg(II) in aqueous solution
TL;DR: In this paper, the composition and stability of the following biogenic amine complexes have been investigated: 1,4diaminobutane(Put), 4-azaoctane-1,8-diamine(Spd), 4,9-diazadodecan-1.12-dienine(Spm) as well as homologues such as 1,3diaminisopropane( put3), 4azaheptane- 1,7diaminespd3,3) with H+, Cu(II
References
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Journal ArticleDOI
Computer calculation of equilibrium concentrations in mixtures of metal ions and complexing species.
D.D. Perrin,I.G. Sayce +1 more
TL;DR: A method is described for calculating equilibrium concentrations of all species in multi-metal-multi-ligand mixtures from the pH of the solution, the total concentration of each metal and each complexing agent, and the relevant equilibrium constants (pK(a) values and stability constants).
Journal ArticleDOI
High-speed Computers as a Supplement to Graphical Methods. III. Twist Matrix Methods for Minimizing the Error-square Sum in Problems with Many Unknown Constants.
Journal ArticleDOI
High-speed Computers as Supplement to Graphical Methods. I. Functional Behavior of the Error Square Sum.
Journal ArticleDOI
Rigorous Least Squares Adjustment: Applications to Some Non-linear Equations, II
TL;DR: The main purpose of as mentioned in this paper is to apply the general theory of least squares adjustment to problems in physical chemistry, and apply it to the problem of least square adjustment in the setting of physical chemistry.
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