NEWS tures; water in chemical compounds; and diffusion in liquids and gels, reactions, and structures. Those in inorganic chemistry will include : solid compounds of transition metals (except complex compounds); compounds of boron with hydrogen and nonmetallic elements; chemical properties of actinic elements; and chemical properties of substances at high temperature. The organic chemistry papers include: reaction mechanisms and intramolecular rearrangements; organometallic and organometalloidic compounds; selective reactions and orientation phenomena; stereochemistry; and structure and synthesis of natural compounds (except macromolecular substances). In addition to the conference and congress, plans are being made to hold symposia on proteins and organic chemistry. American chemists who wish to present papers should write the U.S. member of the union (Division of Chemistry and Chemical Technology, National Research Council, Washington 25, D.C.) for further details. The congress organizing committee is headed by Professor R. Delaby of the Faculté de Pharmacie, Paris. The Secretary-General is Jean Givaudon, Union des Industries Chimiques, Paris. Other information concerning the congress is available from the Secrétariat Général du XVIéme Congrès International de Chimie pure et appliquée. 28, rue Saint-Dominique, Paris (7è). Conference Program
The sections on phj^sical, inorganic, and organic chemistry and their section committees and commissions will meet at the University of Paris. The commissions of the Sections of Physical Chemistry are: molecular spectroscopy, physicochemical symbols and terminology, chemical thermodynamics and the subcommissions on thermochemistry and thermodynamic properties of fluids, electrochemistry, kinetics of chemical reactions, macromolecules, and physicochemical data and standards, Joint Commission of Applied Radioactivity, and International Committee for Electrochemical Thermodynamics and Kinetics (C.I.T.C.E.). The inorganic chemistry commissions which meet are those on: atomic weights, inorganic nomenclature, pure metals and their protection, high temperatures and refractories, and geochemistry. The organic chemistry commissions are those on: organic nomenclature and codification, ciphering, and punched cards techniques. The Commission on Optical Data (Analytical Chemistry Section) and the Commission on Protein Standards (Bio-
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provides • Truly high resolution over the entire focal curve on every exposure • Complete absence of coma, distortion and slanting lines • Astigmatic optical system produces more uniform spectral lines than stigmatic systems • Entrance slit variations and dust in the slit have much less critical effect than in a stigmatic optical system • Only one reflecting surface in the Eagle mount intro duces less light loss, particularly in the far ultra violet region • Less scattered light, characteristic of Eagle Mounting Spectrographs, provides higher contrast between faint spectral lines and background Baird-Atomic 3-Meter Spectrograph, a precalibrated in strument, permits all adjustments to be made from front control panel. Versatility, flexibility and faster analyses are possible. For more specific data, your inquiry is invited.
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Baird Associates—Atomic Instrument Co. 33 UNIVERSITY ROAD. CAMBRIDGE 38, MASSACHUSETTS For further information, circle number 41 A on Readers' Service Card, page 73 A VOL. 2 9 , N O . 1 , JANUARY 1 9 5 7
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