Adsorption of Carbon Dioxide, Acetylene, Ethane, a n d Propyl ene on Charcoal at Near Room Temperatures. Walden L. S. Laukhuf and C. A. Plank
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Solvent Extraction of M e t a l Ions a n d Surface Active Agents from Saturated Sodium Chloride Brine. Ali Massoumi and C. E. Hedrick
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Viscosity of Some Ternary Liquid Nonelectrolyte Mixtures. E. L. Heric and J. G. Brewer
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High Temperature H e a t Contents of Lead Silicates. Robert Baboian.
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Densities a n d Molar Volumes of Isotopically Altered Liquid Uranium Hexafluoride. W. D. Hedge Effects of Surfactants on Coales cence Rest Times of Drops. G. C. Hsu and R. C. Kintner Integral Heats of Solution of Some Electrolytes a n d W a t e r in Ethylenediamine a t 2 5 . 0 0 ° C. Frederic C. Schmidt, Stephen Godomsky, Frederick K. Ault, and John C. Huffman Surface Thermodynamic Proper ties of Alcohols a n d Related Compounds. S. S. Katti and Samir Pathak Physical a n d Spectral Properties of 2 - A r y l - l ,3-Dioxolanes and Heteroatomic Analogs. Norman Indictor, Joseph W . Horodniak, Howard Jaffe, and David M i l l e r . . . Low Pressure Adsorption of Heli um on Microporous Solids. Charles Springer, Coleman J. Major, and Karl Kammermeyer Phase Diagram of the Lithium Iodide-Potassium Iodide System a n d Densities of the Lithium Iodide-Potassium Iodide and Lithium Bromide-Potassium Bro mide Eutectics. C. H. Liu and L R. Lieto Vapor Pressures a n d Heats of Sublimation of Cobalt Dihalides. S. D. Hill, C. A. Cleland, Arnold Adams, Arne Landsberg, and F. E. Block Thermal Behavior of Some Resin Acid Esters. Hiroshi Takeda, Walter H. Schuller, and Ray V. Lawrence Surface Tension of p-Difluorobenzene, Hexafluorobenzene, a n d Some p-Difluorobenzenep-Xylene Solutions. Richard S. Myers, Brian A. Berenbach, and H. Lawrence Clever
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JOURNAL OF CHEMICAL AND
Physical Properties of Some Ss>!fur a n d Nitrogen Compounds. W. J. Lanum and J. C. Morris
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Vapor Pressure of Primary n-Alkyl Chlorides a n d Alcohols. Herbert R. Kemme and Saul I. Kreps
98
ENGINEERING
Enthalpies of Combustion of Toluene, Benzene, Cyclohexa n e , Cyclohexene, Methylcyclopentane, 1-Methylcyclopentene, a n d n-Hexane. W. D. G o o d and Ν. Κ. Smith
102
H e a t Capacity of Liquid Nitrom e t h a n e from 3 5 ° to 2 0 0 ° C. H. A. Berman and E. D. West
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Organic Section
110
Editor, BRUCE H. SAGE Assistant Editors, EVERETT R. JOHNSON RICHARD H. WILEY
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Interaction of 2-Aminobenzothiazoles w i t h Benzoyl a n d lertButyl Isothiocyanates. W . U. Malik, P. K. Srivastava, and S. C. Mehra
110
3-(N-Substituted Formidoyl) in doles. Daniel A. Scola, Dolores V. Lopiekes, and Harold R. DiPietro
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ADVISORY BOARD Arthur W . Adamson, Richard E. Benson, David M. Mason
Substituted Aziridines. Relative Rates of Reaction a n d Direction of Ring O p e n i n g . William D. Stephens, Lawrence R. Moffett, Jr., Herbert W. Vaughan, Curtis O. Taylor, Shelba P. Brown, and Charles I. Ashmore
114
Reaction of Bis( 2,2,2-trinitroethyl) Formal w i t h Potassium Cyanide. Mortimer J. Kamlet
116
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Esters of Benzenepentol (Pentahydroxybenzene). Alexander J. Fatiadi
118
N e w Alkylsulfenyl N,N-Dialkyldithiocarbamates. W . Franklin Gilmore and Robert N. Clark
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William Q. Hull
Vapor Pressures a n d Heats of Sublimation of Some High Melting Organic Explosives. Jerome M. Rosen and Charles Dickinson
120
Acetylenic Ethers. Polymerization of Ethyl Ethynyl a n d Butyl Ethynyl Ethers. Thomas L. Jacobs and Norman Juster
125
Crystalline Propylene William L. Howard
129
Glycol.
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Oialkyl p-Toluenesulfonylcarbamoylphosphonates. K. Darrell Berlin and Leander Merrift
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Preparation of Diepoxides from Diketones a n d a Sulfur Ylide. C. W. Schimelpfenig and J. A. Reeder
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Hydrazine Derivatives. 1,1'Azobisformamides a n d Biureas. Charlotte M . Kraebel and Stanley M . Davis 91
DATA
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N e w Data Compilations
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Errata
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(C) Copyright 1969 by the American Chemical Society Published quarterly by the American Chemical Society, from 20th and Northampton Sts., Easton. Pa. 18042. Second-class postage paid at Easton. Pa., and additional mailing office. Subscription rates 1969: members of the American Chemical Society. 1 yr. $9.00; nonmembers. $18.00. Yearly postage: Canada and Pan-American Union 81.00; foreign. SI.50. Single copies: current $6.00. Postage: Canada and Pan-American Union. .$0.10; foreign, $0.20. Rates for back issues or volumes are available from Special Issues Sales Dept., llôô Sixteenth St., X. W., Washington, Π. C. 200:16 Claims for missing numbers will not be allowed it received more than 60 days from date of mailing plus time normally required for postal delivery of journal and claim. No claims allowed because of failure lo notify the Subscription Service Department of a change of address, or because copy is missing from tiles. CHANGE OK ADDRESS: Notify Subscription Ser vice Department. American Chemical Society. 1 105 Six teenth St., N. VV., Washington. D. C. 200.16. Such notification should include both old and new addresses, with ZIP numbers, and a recent mailing label. The American Chemical Society assumes no responsibil ity for the statements and opinions advanced by contribu tors to its publications. Views expressed in the editorials are those of the editors and do not necessarily represent the ollicial position of the American Chemical Society.
