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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Ternary complexes of transition metalions with adenosine-5 ' -triphosphate and 1,10-phenanthroline
TL;DR: In this paper, a 1:1:1 molar ratio of adenosine-5-triphosphate-metal chelates was found to be stable with transition metal ions (metal=Cu(II), Zn(II) and Mn(II)).
Journal ArticleDOI
Speciation of N-(2-mercaptopropionyl)glycine zinc, nickel, cadmium and lead complexes in aqueous solution
TL;DR: In this paper, the N-(2-mercaptopropionyl)glycine zinc, nickel, cadmium and lead complexes in aqueous solution have been determined at 37 °C and 150 mmol dm−3 Cl− using glass electrode potentiometry.
Journal ArticleDOI
Trace metal requirements in total parenteral nutrition
Tülay Alemdarolu,Guy Berthon +1 more
TL;DR: In order to allow a better simulation of the distribution of the zinc complexes that pertain to a nutritive mixture used in total parenteral nutrition (TPN), the equilibrium constants for the ternary systems zinc—cystein—histidine, zinc—glycine-histidine and zinc— glycine—cysteine have been investigated.
Journal ArticleDOI
Intramolecular interligand interactions in Cu(II) ternary complexes involving dipeptides and amino acids
TL;DR: The formation constants of the mixed ligand complexes of the type (CuAL) were determined in 1:1 (v/v) dioxan-water medium at 30°C and I = 0.2 M using an SCOGS computer program as discussed by the authors.
Journal ArticleDOI
Nature et stabilité des complexes métalliques de cryptands dinucléants en solution. I. Polyazapolyoxa macrotricycle cylindrique et monocycle constitutif
Françoise Arnaud-Neu,María José Sánchez,Raïda Yahya,Marie-José Schwing-Weill,Jean-Marie Lehn +4 more
TL;DR: In this paper, a polyazapolyoxa Cylindrical Macrotricycle and its constitutive monocyclic subunit with some transition and heavy metal cations (Cu2+, Co2+, Ni2+, Zn2+, and Ag+, accompanied in the latter case by a protonated mononuclear MLH species, and with Cu 2+ and Zn 2+ at high pH-values by dinuclear hydroxo complexes.
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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