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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Analysis of variance applied to determinations of equilibrium constants
TL;DR: It can be inferred that all the values of the mean constants logbeta (pqr)(k) for one species, as determined separately for each titration in four laboratories, belong to the same population.
Journal ArticleDOI
Thermodynamics of copper(II) 2,2′-dipyridyl complexes in aqueous solution
TL;DR: In this article, the thermodynamic parameters for the chelation of cupric ion with 2,2′-dipyridyl have been determined at 25°C and I = 0.1 M. The data obtained are compared with those in the literature and the chelate effect of the heterocyclic diimine is described.
Journal ArticleDOI
Study of copper(II) and nickel(II) ternary complexes involving tertiary amines and phenyl or hydroxylphenyl substituted amino acids
TL;DR: In this paper, the ternary constants of ternaries MAL, where M = Cu(II) or Ni(II), were determined by using the computer program SCOGS.
Journal ArticleDOI
The polynuclear complex formation between lead (II) and 2-mercaptoethanol reinvestigated
TL;DR: The termodynamics of complex formation between lead (II) and 2-mercaptoethanol has been reinvestigated at I = 150 mmol dm −3 NaNo 3 and at lower metal: ligand ratios in order to determine the mononuclear formstion constants as mentioned in this paper.
Journal ArticleDOI
Equilibrium studies on mixed ligand complex formation of Co(II), Ni(II), Cu(II) and Zn(II) with N-(2-hydroxybenzyl)-l-histidine (H2hb-l-his) and typical N,N donor ligands: Crystal structure of [Ni(hb-l-his)(bipyridine)] · H2O complex
TL;DR: In this paper, the stability constants of the quadridentate (O-, N, O-, N) donor ligand N-(2-hydroxybenzyl)-L-histidine (H(2)hb-L-his, hereafter H2L), in the absence and in the presence of typical donor bidentate ligands, 1, 10 phenanthroline(phen), 2, 2-bipyridine(bipy), ethylenediamine(en), hereafter B, in aqueous solution at 25 +/- 1
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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Computer calculation of equilibrium concentrations in mixtures of metal ions and complexing species.
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