J. Stary – författare
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2 produkter
E-bok
PDF, Engelska, 2013756 kr
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Equilibrium Constants of Liquid-Liquid Distribution Reactions, Part IV: Chelating Extractants is a compilation of liquid-liquid distribution equilibrium constants, with emphasis on extractants that form chelates. This tabulation includes all data published up to the end of 1972 for the major chelating extractants, and the given equilibrium parameters are supplemented by calculations (or recalculations) from experimental results. This monograph consists of 12 chapters and characterizes the homogeneous equilibria involving the acid dissociation of the extractant in the aqueous phase and adduct or mixed ligand complex formation in the organic phase. The information given for each system includes the chemical reactions, the equilibrium constant, the temperature, and the composition of the aqueous and organic phases. Compounds covered include dialkyldithiocarbamic acids (such as diethyldithiocarbamic acid and dibutyldithioarbamic acid), tropolones (beta-isopropyltropolone and gamma-isopropyltropolone), N-acylhydroxylamines, N-nitroso-N-arylhydroxylamines (cupferrons), alpha-dioximes, diarylthiocarbazones (dithizones), 8-hydroxyquinolines, 8-mercaptoquinolines, o-dimercaptobenzenes (toluene-3,4-dithiol), beta-diketones (such as acetylacetone and hexafluoroacetylacetone), 4-acylpyrazol-5-ones, and o-nitrosophenols (1-nitroso-2-naphthol and 2-nitroso-1-naphthol). This book will be of interest to chemists.
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Critical Evaluation of Equilibrium Constants Involving 8-Hydroxyquinoline and Its Metal Chelates presents and evaluates the published data on the solubility, dissociation, and liquid–liquid distribution of oxine and its metal chelates to recommend the most reliable numerical data. This book explores the dissociation constants of oxine in aqueous solutions. Organized into four chapters, this book begins with an overview of the characteristics of 8-hydroxyquinoline (oxine). This text then examines the total solubility of oxine in aqueous solution at different pH values. Other chapters consider the distribution of oxine between an aqueous phase and an organic solvent, which can be generally described by an equation where the bar indicates the organic phase species. This book discusses as well the overall extraction constant involving metal chelate formation. The final chapter deals with the overall stability constants of metal oxinate. This book is a valuable resource for geochemists, chemists, scientists, and research workers.