The QMG 421 Mass Spectrometer is as friendly as it is accurate... and as powerful as it is simple.
Introducing the Balzers QMG 421 quadrupole mass spectrometer — newly equipped with QUADSTAR™ software that runs on Windows 3™. It offers: · Extended mass range to 2048 amu • Integrated positive and negative ion detection • Ion counting or analog electrometer detection options • Analog and digital signal inputs and outputs • Remote operation and diagnostics via modem See the latest development in mass spectrometry from Balzers! Visit booth 6337 at Pittcon '92.
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New and Forthcoming from Academic Press The Chemical Bond Structure and Dynamics edited by
Strategies and Tactics in Organic Synthesis Volume 3 edited by
Thomas Lindberg From the Reviews of Previous Volumes "Each author has done a commendable job of bringing the reader into a sense of real interaction with the particular research effort." —JOURNAL OF THE AMERICAN CHEMICAL SOCIETY December 1991,c. 534 pp.,$125.00 ISBN: 0-12-450282-2
Ahmed Zewail CONTENTS: L. Pauling, X-ray Crystallography and the Nature of the Chemical Bond. M. Perutz, The Significance of the Hydrogen Bond for Physiology. A. Rich, Molecular Recognition and Molecular Biology. F. Crick, Perspectives on Molecular Biology. L. Pauling, Perspectives on Quantum Mechanics. G. Porter, Chemistry in Microtime. D. Herschbach, Chemical Reaction Dynamics and Electronic Structure. J.C. Polanyi, The Transition State. A. Zewail and R. Bernstein, Laser Femtochemistry. March 1992, c. 288 pp. $39.95 (tentative) ISBN: 0-12-779620-7
Free-Radical Chain Reactions in Organic Synthesis W.B. Motherwell and D. Crich A Volume in the BEST SYNTHETIC METHODS Series
Written by two experienced practitioners in the field, this volume contains an extensive introduction discussing principles, advantages, and disadvantages of radical chain reactions, demonstrates functional group interconversions by radical chain reactions, lists carbon-carbon bond formations, presents inter- and intramolecular radical chain reactions, and includes many examples and experimental details selected by experienced practitioners in this field. December 1991, 288 pp., $97.50 ISBN: 0-12-508760-8
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Chemistry of Energetic Materials edited by
George A. Olah and David R. Squire This timely book integrates the recent experimental, synthetic, and theoretical research of energetic materials. Editors George Olah and David Squire emphasize the importance of structure and mechanism in determining properties and performances. They also explore new spectrometric methods and synthetic approaches in this useful reference. 1991,214pp.,$69.00 ISBN: 0-12-525440-7
