Page iii Extraction Methods for Environmental Analysis JOHN R. DEAN University of Northumbria at Newcastle, UK Page iv Copyright © 1998 John Wiley & Sons Ltd, Baffins Lane, Chichester, West Sussex PO19 IUD, England National 01243 779777 International ( +44) 1243 779777 e-mail (for orders and customer service enquiries):
[email protected] Visit our Home Page on http://www.wiley.co.uk or http:// www.wiley.com All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except under the terms of the Copyright Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency, 90 Tottenham Court Road. London WIP 9HE, UK, without the permission in writing of the Publisher