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Acid Base Behavior In Aprotic Organic Solvents
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Book Synopsis Acid-base Behavior in Aprotic Organic Solvents by : Marion Maclean Davis
Download or read book Acid-base Behavior in Aprotic Organic Solvents written by Marion Maclean Davis and published by . This book was released on 1968 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unified picture of acid-base behavior in aprotic organic solvents is presented, based on an extensive survey of the literature and experimental results of the author and associates. Evidence given to support this picture includes data pertaining to colligative properties of acids, bases, and salts and also conductance, dielectric constants, distribution between immiscible solvents, and spectral absorption in the infrared, visible, and ultraviolet. The acids upon which attention is centered are proton-donor compounds that are measurably ionized in water, such as aliphatic and aromatic carboxylic acids, substituted phenols and mineral acids. The bases of principal interest are likewise compounds capable of forming ions in water, for example, aliphatic and aromatic amines and derivatives of guanidine or pyridine. The solvents emphasized are hydrocarbons and halohydrocarbons, but data for dipolar aprotic solvents (for example, acetone, acetonitrile, and nitrobenzene) are included. Contrasts in acid-base behavior and in acidity and basicity scales in aprotic and water-like solvents are discussed. The role of hydrogen bonding in aprotic solvents is discussed at length. Important types of hydrogen-bonded structures include chelate rings; self-associated acids, bases, and salts; hydrogen-bonded ion pairs; and homo- and heteroconjugate cations and anions. Examples are given in which hydrogen bonding of these types affects such properties as the absorption spectrum of a salt, the catalytic effect of an acid, and the accurate location of a titration endpoint. (Author).
Book Synopsis Acid-base Behavior in Aprotic Organic Solvents by : Marion Maclean Davis
Download or read book Acid-base Behavior in Aprotic Organic Solvents written by Marion Maclean Davis and published by . This book was released on 1968 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acid-base Behavior in Aprotic Organic Solvents [with List of References by :
Download or read book Acid-base Behavior in Aprotic Organic Solvents [with List of References written by and published by . This book was released on 1968 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Acid-base Behaviour in Aprotic Organic Solvents by : Marion Maclean Davis
Download or read book Acid-base Behaviour in Aprotic Organic Solvents written by Marion Maclean Davis and published by . This book was released on 1968 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Acids and Bases written by Brian G. Cox and published by OUP Oxford. This book was released on 2013-01-31 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acids and bases are ubiquitous in chemistry. Our understanding of them, however, is dominated by their behaviour in water. Transfer to non-aqueous solvents leads to profound changes in acid-base strengths and to the rates and equilibria of many processes: for example, synthetic reactions involving acids, bases and nucleophiles; isolation of pharmaceutical actives through salt formation; formation of zwitter- ions in amino acids; and chromatographic separation of substrates. This book seeks to enhance our understanding of acids and bases by reviewing and analysing their behaviour in non-aqueous solvents. The behaviour is related where possible to that in water, but correlations and contrasts between solvents are also presented. Fundamental background material is provided in the initial chapters: quantitative aspects of acid-base equilibria, including definitions and relationships between solution pH and species distribution; the influence of molecular structure on acid strengths; and acidity in aqueous solution. Solvent properties are reviewed, along with the magnitude of the interaction energies of solvent molecules with (especially) ions; the ability of solvents to participate in hydrogen bonding and to accept or donate electron pairs is seen to be crucial. Experimental methods for determining dissociation constants are described in detail. In the remaining chapters, dissociation constants of a wide range of acids in three distinct classes of solvents are discussed: protic solvents, such as alcohols, which are strong hydrogen-bond donors; basic, polar aprotic solvents, such as dimethylformamide; and low-basicity and low polarity solvents, such as acetonitrile and tetrahydrofuran. Dissociation constants of individual acids vary over more than 20 orders of magnitude among the solvents, and there is a strong differentiation between the response of neutral and charged acids to solvent change. Ion-pairing and hydrogen-bonding equilibria, such as between phenol and phenoxide ions, play an increasingly important role as the solvent polarity decreases, and their influence on acid-base equilibria and salt formation is described.
Book Synopsis The Chemistry of Nonaqueous Solvents III by : J.J. Lagowski
Download or read book The Chemistry of Nonaqueous Solvents III written by J.J. Lagowski and published by Elsevier. This book was released on 2012-12-02 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemistry of Nonaqueous Solvents, Volume III: Inert, Aprotic, and Acidic Solvents is a compilation of critical surveys of specific solvent systems. The compendium contains discussions on the solution chemistry of sulfur dioxide and acyl halides; the solvent properties of hydrogen sulfide and carboxylic acids; and the Bronsted acid-base behavior in inert organic solvents. Chemists, researchers, and students of chemistry and chemical engineering will find the book a good reference material.
Download or read book NBS Technical Note written by and published by . This book was released on 1969-08 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Business Service Check List written by and published by . This book was released on 1967 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Bureau of Standards. Technical Information and Publications Division Publisher : ISBN 13 : Total Pages :844 pages Book Rating :4.3/5 (91 download)
Book Synopsis Catalog of National Bureau of Standards Publications, 1966-1976 by : United States. National Bureau of Standards. Technical Information and Publications Division
Download or read book Catalog of National Bureau of Standards Publications, 1966-1976 written by United States. National Bureau of Standards. Technical Information and Publications Division and published by . This book was released on 1978 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalog of National Bureau of Standards Publications, 1966-1976 by : United States. National Bureau of Standards
Download or read book Catalog of National Bureau of Standards Publications, 1966-1976 written by United States. National Bureau of Standards and published by . This book was released on 1978 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NBS Monograph by : United States. National Bureau of Standards
Download or read book NBS Monograph written by United States. National Bureau of Standards and published by . This book was released on 1968 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal of Research of the National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Journal of Research of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1971 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solvent Extraction by : Vladimir S Kislik
Download or read book Solvent Extraction written by Vladimir S Kislik and published by Elsevier. This book was released on 2011-08-31 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main challenge in modern solvent extraction separation is that most techniques are mainly empirical, specific and particular for narrow fields of practice and require a large degree of experimentation. This concise and modern book provides a complete overview of both solvent extraction separation techniques and the novel and unified competitive complexation/solvation theory. This novel and unified technique presented in the book provides a key for a preliminary quantitative prediction of suitable extraction systems without experimentation, thus saving researchers time and resources. Analyzes and compares both classical and new competitive models and techniques Offers a novel and unified competitive complexation / solvation theory that permits researchers to standardize some parameters, which decreases the need for experimentation at R&D Presents examples of applications in multiple disciplines such as chemical, biochemical, radiochemical, pharmaceutical and analytical separation Written by an outstanding scientist who is prolific in the field of separation science
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications by : United States. National Bureau of Standards
Download or read book Publications written by United States. National Bureau of Standards and published by . This book was released on 1969 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Bureau of Standards. Technical Information and Publications Division Publisher : ISBN 13 : Total Pages :1116 pages Book Rating :4.3/5 (91 download)
Book Synopsis Catalog of National Bureau of Standards Publications, 1966-1976: pt. 1-2. Citations and abstracts. v. 2. pt. 1-2. Key word index by : United States. National Bureau of Standards. Technical Information and Publications Division
Download or read book Catalog of National Bureau of Standards Publications, 1966-1976: pt. 1-2. Citations and abstracts. v. 2. pt. 1-2. Key word index written by United States. National Bureau of Standards. Technical Information and Publications Division and published by . This book was released on 1978 with total page 1116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications of the National Bureau of Standards by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards written by United States. National Bureau of Standards and published by . This book was released on 1968 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
