ISO INTERNATIONAL STANDARD 16265 First edition 2009-03-01 Water quality Determination of the methylene blue active substances (MBAs) index Method using. continuous flow analysis (CFA) Qualite de I'eau - Mesurage de I'indice des substances actives au bleu de méthylene (SABM) Méthode par analyse en flux continu (CFA) Reference number ISO 16265:2009(E) @ ISO 2009 y IHS under ted without license from IHS Not for Resale ISO 16265:2009(E) PDF disclaimer 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 COPYRIGHTPROTECTEDDOCUMENT @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 @ ISO 2009 - All rights reserved edwithoutlicense from IHS Not for Resale ISO 16265:2009(E) Contents Page Foreword iv Introduction 1 Scope 2 Normative references 3 Interferences 4 Principle. 5 Reagents 6 Apparatus.... 7 Sampling and sample pretreatment.... 8 Procedure..... 9 Calculation of the results. 10 Expression of results. 11 Precision. 12 Test report ..... Annex A (informative) Example of a flow diagram for the determination of MBAs index by continuous flow analysis (CFA) . .9 Annex B (informative) Precision data Bibliography 11 Copyright internatinal organizaio far standardizalion ghts reserved ii nse from IHS Not for Resale