Leslie S Ettre's Books

Static Headspace-Gas Chromatography

Theory and Practice

By: Bruno Kolb,Leslie S. Ettre

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Static Headspace-Gas Chromatography

Theory and Practice

By: Bruno Kolb,Leslie S. Ettre

STATIC HEADSPACE-GAS CHROMATOGRAPHY THE ONLY REFERENCE TO PROVIDE BOTH CURRENT AND THOROUGH COVERAGE OF THIS IMPORTANT ANALYTICAL TECHNIQUE Static headspace-gas chromatography (HS-GC) is an indispensable technique for analyzing volatile organic compounds, enabling the analyst to assay a variety of sample matrices while avoiding the costly and time-consuming preparation involved with traditional GC. Static Headspace-Gas Chromatography: Theory and Practice has long been the only reference to provide in-depth coverage of this method of analysis. The Second Edition has been thoroughly updated to reflect the most recent developments and practices, and also includes coverage of solid-phase microextraction (SPME) and the purge-and-trap technique. Chapters cover: Principles of static and dynamic headspace analysis, including the evolution of HS-GC methods and regulatory methods using static HS-GC Basic theory of headspace analysis—physicochemical relationships, sensitivity, and the principles of multiple headspace extraction HS-GC techniques—vials, cleaning, caps, sample volume, enrichment, and cryogenic techniques Sample handling Cryogenic HS-GC Method development in HS-GC Nonequilibrium static headspace analysis Determination of physicochemical functions such as vapor pressures, activity coefficients, and more Comprehensive and focused, Static Headspace-Gas Chromatography, Second Edition provides an excellent resource to help the reader achieve optimal chromatographic results. Practical examples with original data help readers to master determinations in a wide variety of areas, such as forensic, environmental, pharmaceutical, and industrial applications.

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Page Count

386

Publisher

John Wiley & Sons

Published Date

ISBN 10

0471749443

ISBN 13

9780471749448

Chapters In The Evolution Of Chromatography

By: Leslie S Ettre

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Chapters In The Evolution Of Chromatography

By: Leslie S Ettre

Chromatography, invented more than 100 years ago, is the most widely used separation technique in the world today. It has helped the birth of modern analytical instrumentation and continues to strongly influence the profiles of our chemical, biochemical and clinical laboratories.This book deals with the history of the invention and evolution of chromatography and of the various chromatographic techniques. After discussing the precursors, it elaborates on the activities of M.S. Tswett, the inventor of the technique, and of a few selected key pioneers. It then summarizes the evolution of the various branches of chromatography (planar, ion-exchange, gas and liquid), and also reviews the key role of international symposia in setting the trends in this evolution. Except for individual publications of the author, the history of the evolution of chromatography has not been the subject of any book. Thus, this book fills a major gap in the scientific literature./a

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Page Count

492

Publisher

World Scientific

Published Date

ISBN 10

1908979054

ISBN 13

9781908979056

Open Tubular Columns in Gas Chromatography

By: Leslie S. Ettre

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Open Tubular Columns in Gas Chromatography

By: Leslie S. Ettre

For my past sins, Leslie Ettre has given me the privilege of writing a few words to preface his excellent little book. It gives me great pleasure to do so, because of the many years of fruitful collabo ration we have had at Perkin-Elmer, because it is refreshing to see a treatise in gas chromatography in which the theoretical treatment has been bared to its essentials, without a mushrooming of formulae which, by means of an ever increasing number of parameters, account for more and more, and explain less and less, and because the author has recognized that the gas chromatographic column is a nearly passive element in its own right which deserves to have a treatise written nearly exclusively about it, just as electrical circuit theory can be discussed without elaborate references to vacuum tubes and meters. I wish this conscientiously written volume the success it deserves. M. J. E. GOLAY VII Preface Gas chromatography is a separation technique used primarily in analytical chemistry. Therefore, it is evident that special emphasis should be placed on that particular part of the apparatus in which the separation takes place. This part is the column, the heart of the gas chromatograph. The goal of researchers in the field of gas chromatography has been-from the beginning-to understand the separation process so that they might design columns with the best possible performance. Such investigation led M. J. E.

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