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THIN-LAYER CHROMATOGRAPHY

RecentAdvances in THIN-LAYER CHROMATOGRAPHY Edited by

F. A. A. Dallas G/axo Group Research Limited Ware, United Kingdom

H. Read

BP Research Gentre Sunbury-on- Thames, United Kingdom

R. J. Ruane

and

I. D. Wilson

IGI Pharmaceuticals Division Macclesfield, United Kingdom

Springer Science+Business Media, LLC

Library of Congress Cataloging in Publieation Data Chromatographie Soeiety International Symposium on Thin-Layer Chromatography (1987: Brighton, East Sussex) Reeent advanees in thin-Iayer ehromatography. "Proeeedings of the Chromatographie Soeiety International Symposium on ThinLayer Chromatography, held Mareh 11-12, 1987, in Brighton, United Kingdom"-CIP eopr. p. Bibliography: p. Includes index. 1. Thin layer ehromatography-Congresses. I. Dallas, F. A. A. 11. Chromatographie Soeiety. 111. Tille. QD79.C8C47 1987 543 1 08956 88-17880

ISBN 978-1-4899-2223-6 ISBN 978-1-4899-2221-2 (eBook) DOI 10.1007/978-1-4899-2221-2

Proeeedings of Ihe Chromatographie Soeiety International Symposium on Thin-Layer Chromatography, held Mareh 11-12, 1987, in Brighton, United Kingdom

© 1988 Springer Science+Business Media New York Originally published by Plenum Press, New York in 1988. Softcover reprint ofthe hardcover Ist edition 1988 All rights reserved No pari of Ihis book may be reproduced, stored in a relrieval system, or transmitted in any form or by any means, electronie, meehanieal, photocopying, mierotilming, reeording, or otherwise, wilhoul written permission trom the Publisher

PREFACE

For many years TLC has suffered from the image of being a low sensitivity, low resolution, non-quantitative teehnique, suitable for chemists, but not a tool for real ehromatographers. Whilst perhaps true in the past this attitude no longer ref1eets the eapabi1ities of modern instrumenta1ized TLC in all its many forms. This volume represents the proceedings of a meeting in Brighton in 1987 whieh formed part of a eontinuing series of one and two day events on TLC organized by the Chromatographie Soeiety either alone or, like this one, in eonjunetion with other learned bodies. These meetings are designed to keep ehromatographers up to date with the latest deve10pments and help promote a more positive image of TLC. lan Wilson November 1987

v

CONTENTS

The Chromatographic Society

xi

Contemporary Thin-layer Chromatography: An introduction IoD. Wilson INSTRUMENTATION Quantitative Methods in Thin-layer Chromatography C.F. Poole, S.K. Poole and T.A. Dean

11

Fluorescence Line-narrowing Spectroscopy: A New and Highly Selective Detection Technique for Thin-layer and Liquid Chromatography J.W. Hofstraat, C. Gooijer, U.A.Th. Brinkman and N.H. Velthorst

29

Qualitative and Quantitative Image Analysis of Fluorescence from High Performance Thi.n-layer Chromatography R.M. Belchamber, S.J. Brinkworth, H. Read and J.D.M. Roberts

37

Analytical Rotation Planar Chromatography Sz. Nyiredy, K. Dallenbach-Toelke and O. Sticher

45

Analytical and Preparative Overpressured Layer Chromatography E. Mincsovics and E. Tyiha