ISO INTERNATIONAL STANDARD 11885 Second edition 2007-08-01 Water quality Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) Qualité de I'eau Dosage d'éléments choisis par spectroscopie d'emission optique avec plasma induit par haute fréquence (ICP-OES) Reference number ISO 11885:2007(E) @ ISO 2007 y IHS under ted without license from IHS Not for Resale ISO 11885:2007(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO2007 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 either Iso at the address below or IsO's member body in the country of the requester ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2007 - Allrights reserved py IHS unde ed without license from IHS Not for Resale ISO 11885:2007(E) Contents Page Foreword. Introductior 1 Scope 2 Normative references . Terms and definitions . 4 Principle.... 5 Recommended wavelengths, limits of quantification and important spectral interferences.....5 6 Interferences 7 Reagents... 8 Apparatus. 9 Sampling and preservation. 15 10 Procedure.... 11 Expression of results .. 12 Test report .... Annex A (informative) Special digestion methods , Annex B (informative) Precision data..... Annex C (informative) Description of the matrices of the samples used for the interlaboratory trial....26 Copyright internatinal organizaio far standardizalionights reserved ii se from IHS Not for Resale ISO 11885:2007(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has beer non-governmental, in liaison with isO, also take part in the work. sO collaborates closely with the International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. 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. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 11885 was prepared by Technical Committee ISO/TC 147, Water quality, Subcommittee SC 2, Physical, chemical and biochemical methods. This second edition cancels and replaces the first edition (IsO 11885:1996), which has been technically revised. ional Organization for Standardizatior @ ISO 2007 - All rights reserved ISO 11885:2007(E) Introduction When applying this International Standard, it is necessary in each case, depending on the range to be tested, todetermine ifandtowhatextentadditionalconditionsshouldbeestablished. ingpem Not for Resale aadzao Not for Resale INTERNATIONAL STANDARD ISO 11885:2007(E) Water quality Determination of selected elements by inductively coupled plasma op