TECHNICAL ISO/TR REPORT 11150 First edition 2007-12-15 Natural gas Hydrocarbon dew point and hydrocarbon content Gaz naturel Point de rosée d'hydrocarbure et teneur en hydrocarbure Reference number ISO/TR 11150:2007(E) @ISO2007 ISO/TR11150:2007(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 ii @ ISO 2007 - All rights reserved ISO/TR 11150:2007(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references 3 Background. 4 Why is hydrocarbon dew point important? ... 5 What is the definition of hydrocarbon dew point?. 6 Specifications..... 6.1 EAsEE-gas European association for the streamlining of energy exchange Gas. 6.2 United Kingdom Health and Safety Executive.. < Hydrocarbon dew point measurement. 7.1 General...... 7.2 General sampling.. 7.3 Hydrocarbon dew point determination/estimation/monitoring... 7.4 Physical methods. 7.5 Analysis and calculation. 7.6 Comparative studies.. 8 Conclusions 10 9 Recommendations 11 Annex A (informative) Dew scope measurements (cold mirror) .12 Annex B (informative) Chromatographic methods .. .16 Annex C (informative) Potential hydrocarbon liquid content ... .18 Bibliography... .19 @Is02007-All rights reserved ii ISO/TR 11150:2007(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 non-governmental,inliaisonwithIsO,also take partin the work.Iso collaborates closely withthe 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. In exceptional circumstances, when a technical committee has collected data of a different kind from that informative in nature and does not have to be reviewed until the data it provides are considered to be no longervalidoruseful 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. ISO/TR 11150 was prepared by Technical Committee ISO/TC 193, Natural gas, Subcommittee SC 1, Analysis ofnaturalgas. iv Iso 2007 - All rights reserved ISO/TR11150:2007(E) Introduction a Technical Report on guidance for various International Standards on hydrocarbon dew point and hydrocarbon content. behind the natural gas property called hydrocarbon dew point on the application of various International Standards on these subjects. @ ISO 2007 - All rights reserved V TECHNICAL REPORT ISO/TR11150:2007(E) Natural gas Hydrocarbon dew point