ISO INTERNATIONAL STANDARD 8795 Third edition 2001-03-01 Plastics piping systems for the transport of water intended for human consumption - Migration assessment Determination of migration values of plastics pipes and fittings and their joints Systemes de canalisations plastiques pourle transport d'eau destineea la consommationhumaine-Evaluationdela migration-Determinationdes valeursdemigrationdestubes etraccordsplastiques etdeleurs assemblages Reference number ISO 8795:2001(E) ISO @ISO 2001 ISO 8795:2001(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 downloading 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. ISO2001 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.ch Printed in Switzerland i @ ISo 2001 -All rights reserved ISO8795:2001(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies). The work of preparing International Standards is normally carried out through ISO technical 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 member bodies casting a vote Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. Test methods and basic specifications, in accordance with the Agreement on technical cooperation between iso and CEN (Vienna Agreement). Throughout the text of this standard, read "..this European Standard..." to mean ".his International Standard..." This third edition cancels and replaces the second edition (isO 8795:1998), which has been technically revised. Annexes A and B form a normative part of this International Standard. ISO 2001-All rights reserved ISO8795:2001(E) Contents Page Foreword Scope 1 2 Normative references.. 3 Termsanddefinitions 4 Principle... 5 Reagents.. 2 5.1 Test liquids. 5.2 General requirements for the liquids 5.3 Selection of test liquids to perform the test...... 6 Test temperatures.. 7 Apparatus 8 Testpieces 8.1 General.. 8.2 Preparation 6 Procedure 9.1 General.. 9.2 Stagnation. 5 9.3 Prewashing 9.4 Migration test. 9.5 Analysis of constituents.. 10 Expressionof results.. 6 11 Test report. Annex A (normative) Test liquids 8 Annex B (normative)Preparationoftest pieces fortestingpipes,fittings or jointswithnominal size greater than 80. Bibliography iv @ ISO 2001 -All rights reserved ISO 8795:2001(E) Foreword piping systems and ducting systems", the secretariat of which is held by NEN, in collaboration with Technical Committee ISO/TC 138"Plastics pipes, fittings and valves for the transport of f