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Organic acids (X)

       
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A study of the non-volatile organic acids of Pennsylvania cigar-leaf tobacco

By: Block, Seymour Stanton
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Obtaining Reliable Predictions of Terrestrial Energy Coupling from Real-Time Solar Wind Measurement

By: Weimer, Daniel R
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Note Concerning the Laxative Properties of the Tribasic Salts of Phenolphthalic Acid [microform]

By: Rowntree, Leonard G. (Leonard George), 1883-1959
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The Identification of Acids. Para Halogen Phenacyl Esters

By: Lyons, Edward, 1890
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The Action of Light on Some Organic Acids in the Presence of Uranium Salts

By: Fay, Henry, B. 1868
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Abhandlung Über Die Constitution Der Organischen Säuren

By: Liebig, Justus, Freiherr Von, 1803-1873; Kopp, Hermann Franz Moritz, 1817-1892, Editor
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The physiology of the amino acids

By: Underhill, Frank Pell, 1877-1932
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Untersuchungen über Aminosauren, Polypeptide und Proteine

By: Fischer, Emil, 1852-1919
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A study of the conductivity of certain organic acids in absolute ethyl alcohol at 15, 25 and 35

By: Lloyd, Howard Huntley, 1892
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Untersuchungen über aminosäuren, polypeptide und proteine

By: Fischer, Emil, 1852-1919; Bergmann, M. (Max), 1886-1944, ed
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A study of the conductivity and dissociation of certain organic acids in aqueous solution at different temperatures.

By: Springer, Alfred, 1888
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The Physiology of the Amino Acids

By: Underhill, Frank Pell, 1877-1932

... Classic Literature Collection World Public Library.org OF THE AMINO ACIDS Title: THE PHYSIOLOGY OF THE AMINO ACIDS Author: FRANK P. UNDERH... ...... ...eristic proportions of the younger animal, C. THE PHYSIOLOGY OF THE AMINO ACIDS , ,. BY 1 A I FRANK P: UNDERBILL, PH.D. Professor of Pathological Che... ... June, 1916 PREFACE During the past few years the physiology of the amino acids has been subjected to much experimenta- tion with the result that the... ...ishes an adequate conception of the roles which may be played by the amino acids. It has been, therefore, the aim of the writer to gather together in ... ...bility in all neutral solvents. Examples of this group may be found as the organic basis of bone (ossein), of tendon (collagen and its hydration produ... ...he tissues and is charac- terized by holding iron as a constituent part in organic combination. Globin is the protein portion of hemo- globin. In cert... ...cal compounds namely, the amino acids. An amino acid may be regarded as an organic acid in which one hydrogen is replaced by the amino group (NH2), or... ... substituted am- monia, one hydrogen of ammonia, NHg, being replaced by an organic acid- A description of the amino acids yielded by proteins follows....

Amino acids ; Proteins

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Para-Hydroxybenzoyl-Orthobenzoic Acid and Some of Its Derivatives

By: Orndorff, W. R. (William Ridgely), 1862-1927; Kelley, Louise, 1894

...7 (1912). THIS JOURNAL, 41, 1886 (1919). Mulliken, "Identification of Pure Organic Compounds," 1905, vol. I, p. 38. DERIVATIVES OF HYDROXYBENZOYL-BEN... ...tly soluble in hot water. It melts under boiling water. When hydrolyzed by acids it gives -hydroxybenzoyl-0-benzoic acid. Some of the air-dried materi... ...btained. This substance was doubtless a mixture of the methoxy and hydroxy acids. 1526 W. R. ORNDORFF AND LOUISE p-Methoxybenzoyl-0-benzoic acid titr...

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Amino Acid Pools : Distribution, Formation and Function of Free Amino Acids; Proceedings

By: Symposium on Free Amino Acids (1961; City of Hope); Holden, Joseph T; United States. Office of Naval Research; City of Hope National Medical Center (U.S.)

... AMINO ACID POOLS Distribution, Formation and Function of Free Amino Acids , JJ 71 AMINO ACID POOLS Distribution, Formation and Funct... ...ids , JJ 71 AMINO ACID POOLS Distribution, Formation and Function of Free Amino Acids PROCEEDINGS OF A SYMPOSIUM ON FREE AMINO ACIDS HELD AT THE CI... ...cells contain sizeable amounts of apparently uncombined, readily-extractable amino acids came to be widely appreciated at the same time that rapid chr... ...ulation of a huge volume of observations con- cerned with the so-called free amino acids. Despite apparent interrelations to meta- bolic processes, su... ...ossibihty of molecular homogeneity. 2) The molecule should be degraded by chemical organic procedures orunequivocal enzymatic procedures to identifiab... ...ides**'^' ^^, as follows: L-RCONHCHR'CO,H D-RCONHCHR'CO,H J acylase l-NHjCHR'COjH (organic solvent—insoluble) carboxy- + RCO2H + peptidase D-RCONHCHR'... ...OaH (organic solvent—soluble) L-NH,CHR'CONH, D-NH,CHR'CONH, amidase L-NHgCHR'COgH (organic solvent—insoluble) + NH3 + D-NHaCHR'CONHj (organic solvent—... ...al configuration or into some other compound of known optical configuration, using organic chemical procedures that do not induce rupture ofany ofthe ... ...nds, withorganic acids derived from sugar as the carbon skeletons, represented the organic starting material for protein metabohsm. It was, however, t...

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Abhandlung Über Die Constitution Der Organischen Säuren. Hrsg. Von Hermann Kopp

By: Liebig, Justus, Freiherr Von, 1803-1873; Kopp, Hermann Franz Moritz, 1817-1892
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Hydrogen Labeling of Some Heteroaromatic Carbon Acids

By: Jacobson, Harvey Lewis, 1946

...HYDROGEN LABELING OF SOME HETEROAROMATIC CARBO;] ACIDS By HARVEY LEWIS JACOBSON I OISSERTATIO"! PRESEIiTED TO THE GRADUATE C... ... Preparations of Mono- and Dideuterated 2-Furoic and 2-Thiophenecarboxylic Acids 76 Nucleophili cities of Compounds with Interacting Electron Pairs. D... ...ee of Doctor of Philosophy HYDROGEN LABELING OF SOME HETEROAROHATIC CARBON ACIDS By Harvey Lewis Jacobson August, 1973 Chairman: John A. Zoltewicz Maj... ... INTRODUCTIOf Great interest has been shov;n in the acidity of weak carbon acids and many investigations have been conducted on the effect of structur... ...d on the effect of structural changes on that acidity. A carbon acid is an organic compound which when treated with a suitable base, donates a proton ... ... proton to that base by the breaking of a carbon-hydrogen bond. Since most organic compounds contain carbon-hydrogen bonds, most compounds are potenti... ...rious suppliers. Deuterium oxide (99.8 percent) was obtained from Columbia Organic Chemicals. Sto c k Solution s Stock solutions of dilute DCl were pr... ...sodium and distilled from zinc powder (bp 114-116°; lit^^ 115.5°). Eastman Organic Chemicals 2 ,6-dimethy 1 py ri di ne was likewise dried over sodium... ...d W. R. Young, Tetrahedron Letters , 3931 (1971). L. P. Hammett. "Physical Organic Chemistry," 2nd Ed., McGraw-Hil 1 , New York, 1 970. "Handbook of C...

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The Esterification of Benzoic Acid by Mercaptans

By: Pratt, Lyde Stuart, 1890

... in their behavior. Both analogies and contrasts are found when we com- pare organic oxygen and sulphur derivatives. One of the most studied organic r... ...urs 67.3 They confirm these by giving data, obtained with other alcohols and acids, at 280 - 300° C. showing that at these tem- peratures the limits a... ..., 1. Jr. pr. Ch. (2) 29, 437-47 (1884) 2. C. r. 152, 495 (1911) for yarious acids and many primary alcohols, obtained at the same temperature are all... ...ue to the high vajor ten- sions of the mercaptans. Mercaptans, moreover, are acids, and can be titrated with alkali. Owing to this fact, it is nec- es... ... In temperature. This work will be extended to other mercaptans and to other acids, and will include a study of secondary and tertiary mercaptans. The...

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The Determination and Occurrence of Amino-Acids in the Blood

By: Bock, Joseph Carl, 1884

...... ...Page Acknowledgement Introductory ^ Part I — Qualitative Methods for Amino-Acids 6-7 Method of Fischer 6 The jg-naphtalinsulfochloride Method 6 Erben'... ...rg and Kerb 7 Method of Siegfried 7 Part II^Quantitative Methods for Amino-Acids 7-14 Methods of Pfaundler and Kruger-Schmid 7 Method of van Leersaum ... ...1-23 (b) Trichloroacetic Acid and Kaolin 23-25 Part IV—Occurrence of Amino-Acids 26-30 The Work of Bingel and Abderhalden 26 The Vividiffusion Method ... ...Abderhalden 26 The Vividiffusion Method of Abel 26 The Occurrence of Amino-Acids in: (a) Mammalian Blood 27 (b) Bird Blood ..........[.[[[ 28 (c) In P... ...uren im Harn der Kinder. Robinson : Tech. Bull. No. 7, Mich. Ag. Exp. St., Organic nitrogenous compounds in peat soil. RoNA, P.: Biochem. Z., 1913, 46...

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A Study of the Conductivity of Certain Organic Acids in Absolute Ethyl Alcohol at 15, 25 and 35

By: Lloyd, Howard Huntley, 1892

...fe" mSMM^^eWii^^^^^MM^^'^ A STUDY OF THE CONDUCTIVITY OF CEF.TAIU ORGANIC ACIDS IN ABSOLUTE ETI-IYL ALCOHOL AT 15°, 25° AND 35° EY HOWARD HUN... ...^^eWii^^^^^MM^^'^ A STUDY OF THE CONDUCTIVITY OF CEF.TAIU ORGANIC ACIDS IN ABSOLUTE ETI-IYL ALCOHOL AT 15°, 25° AND 35° EY HOWARD HUNTLEY LLO... ...work for publication v/ere indispensable. CONDUCTIVITY OF CERTAK ORGMIC ACIDS IN ETHYL ALCOHOL. TABLE OF COKTHITS Page Acknowledgsent 2 Introductor... ... the Results 47 Biographical Sketch 60 CONDUCTIVITY OF CERTALT ORGAillC ACIDS IN ETHYL ALCOHOL. During the past six years a fairly thorough and sys... ...tematic study of the conductivity and dissociation of aqueous solutions of organic acids, as affected by temperature as v/ell as by dilution,has been ... ...study of the conductivity and dissociation of aqueous solutions of organic acids, as affected by temperature as v/ell as by dilution,has been in progr... ... In view of the fact that very little work had been done upon solutions of organic acids in absolute ethyl alcohol,as will become evident from the his... ...isfactory method of procedure and made conductivity measurements of nine 3 organic acids. The present investigation is a continuation and extension of... ...rhysik.Ch6E.,B,433ff .(1891) ;46,103ff. (1903). CONEUCTIVITY OF CERTAIN ORGANIC ACIDS IN ETHYL ALCOHOL. 5 The contributicne cf Kchlrausch may be br...

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A Study of the Conductivity and Dissociation of Certain Organic Acids in Aqueous Solution at Different Temperatures. .

By: Springer, Alfred, 1888

... A STUDY OF THE COHDUCTIVITY AlTD DISSOCIATION OP CERTAI]!! ORGAIIO ACIDS IN AQUEOUS SOLUTION AT DIFFERENT TEMPERATURES. DISSERTATION Submi... ...UTS . Page Acknowledgment. Introduction 1 Procedure 3 Limiting Conductivity of Acids 11 Tables of Conductivity, Data for Acids 14 Discussion of Result... ... in the laboratory. A STUDY OF THE GOUDUCTIVITY AND DISSOCIATION OF CERTAIN ORGANIC ACIDS IN AQUEOUS SOLUTION AT DIFFERENT TEMPERATURES. Introducti... ...laboratory. A STUDY OF THE GOUDUCTIVITY AND DISSOCIATION OF CERTAIN ORGANIC ACIDS IN AQUEOUS SOLUTION AT DIFFERENT TEMPERATURES. Introduction . A c... ... review of the work, previously done on the con- ductivity and dissociation of organic acids in aqueous solu- tion, has already been made hy 'ATaite a... ...of the work, previously done on the con- ductivity and dissociation of organic acids in aqueous solu- tion, has already been made hy 'ATaite and Jones... ...ffi- culties. The values of the limiting conductivities i/Cji of the monobasic organic acids were calculated from th.e/t{^of their sodium salts. This ... ...^values of the sodium salts generally occur at this concentration. Per dibasic organic acids theyti^ of the sodium salt can not be directly determined... ...gh temperatures, observed that while most of the percentage dis- sociations of organic acids decreased with rising temperature, sore of them persisten...

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A Study of the Conductivity and Dissociation of Organic Acids in Aqueous Solution between Zero and Thirty-Five Degrees

By: Wightman, Eugene Pinckney, 1888
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Predicting Production Costs for Advanced Aerospace Vehicles

By: Weston, R. P
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Illustrations for Revision of Chapters 14 and 15 in Elements of Propulsion

By: Boardman, T
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Research on the derivatives of pyromellitic and cumylic acids

By: De Diesbach, H. ; Zurbriggen, G

...NASA l" F-l1,200 FBSEARCH ON THE DERIVATIVES OF PYFDMELUTIC AND CUMYLIC ACIDS H.de Diesbach ad G.Zurbriggen Translation of 1lRecherches sur les d... ...546 AUGUST 1967 RESEARCH ON THE DERIVATIVES OF PYROIQ3LLITIC AND CUMYLIC ACIDS H.de Diesbach and G.Zurbriggen ABSTRACT. tives of cumidinic and py... ... Diesbach and G.Zurbriggen ABSTRACT. tives of cumidinic and pyromellitic acids, including ana- logs of phthalide and phthalimide, are discussed. As... ...e and phthalimide, are discussed. As starting product, isomeric cumidinic acids, prepared from dibromoxylenes, were used instead of the conventional... ...rom dibromoxylenes, were used instead of the conventional pyro- mellitic acids. Formulas and preparative methods are de- scribed, with yields for t... ...ohol /554 with dibromide. lized in alcohol. This is readily soluble in organic solvents and may be crystal- The product melts at 93OC. O.I-4O4 g...

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Isothermal Fatigue, Damage Accumulation, and Life Prediction of a Woven Pmc

By: Gyekenyesi, Andrew L
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