ISO INTERNATIONAL STANDARD 10304-1 Second edition 2007-08-15 Water quality Determination of dissolved anions by liquid chromatography of ions - Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate Qualité de I'eau Dosage des anions dissous par chromatographie des ions en phase liquide Partie 1: Dosage du bromure, chlorure, fluorure, nitrate, nitrite, phosphate et sulfate Reference number ISO 10304-1:2007(E) @ ISO 2007 IHS under I without license from IHS Not for Resale ISO 10304-1:2007(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 fle 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 @ISO2007 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 2007 - All rights reserved ed without license from IHS Not for Resale ISO 10304-1:2007(E) Contents Page Foreword Introduction 1 Scope 2 Normative references 3 Interferences 4 Principle. 5 Reagents 6 Apparatus.... 7 Sampling and sample pre-treatment..... 8 Procedure.. 9 Calculation.. 10 Expression of results 9 11 Test report. 9 Annex A (informative) Performance data.... Annex B (informative) Checked interferences Bibliography .... CopyrightInternatinal Oorganizain for standardizalirn ghts reserved ii se from IHS Not for Resale ISO 10304-1:2007(E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer 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. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. chemical and biochemical methods. This second edition of ISO 10304-1 cancels and replaces IsO 10304-1:1992 and IsO 10304-2:1995, which have been technically revised. Is 10304 consists of the following parts, under the general title Water quality - Determination of dissolved anions by liquid chromatography of ions: Part 1: Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate Part 4: Determination of chlorate, chloride and chlorite in water with low contamination @ IS0 2007 - All rights reserved onal Organization for Standardizatior Not for Resale ISO 10304-1:2007(E) Introduction The user should be aware that partic