ISO INTERNATIONAL STANDARD 14911 First edition 1998-10-01 Water quality Determination of dissolved Lit, Nat, NH4*, K*, Mn?+, Ca?+, Mg?+, Sr2+ and Ba2+ using ion chromatography Method for water and waste water Qualite de I'eau Dosage, par chromatographie ionique, des ions Lit, Nat, NH4+, K+, Mn2+, Ca2+, Mg2+, Sr2+ et Ba2+ dissous - Methode applicable pour I'eau et les eaux résiduaires ISO Referencenumber ISO14911:1998(E) y IHS under Not for Resale ISO 14911:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide preparing International Standards is normally carried out through isO technicalcommittees.Eachmemberbodyinterestedinasubjectforwhich a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non- governmental, in liaison with IsO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 14911 was prepared by Technical Committee TC147, Water quality, Subcommittee SC2, Physical, chemical, biochemicalmethods @ ISO 1998 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International OrganizationforStandardization Casepostale56·CH-1211Geneve20·Switzerland Internet [email protected] Printed in Switzerland it licensefromIHS Not for Resale @ ISO ISO 14911:1998(E Introduction The essential minimum requirements of an ion chromatographic system applied within the scope of this International Standard are given in clause5. The diversity of the appropriate and suitable assemblies and the procedural steps depending on them permit a general description only. references (see clause 2) and the bibliography. ili setworking pemited withoutlicense from IHs Not for Resale