BS-EN-ISO-6570-2004.pdf
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1、BRITISH STANDARD BS EN ISO 6570:2004 Incorporating Amendment No. 1 to BS ISO 6570:2001 (renumbers the BS ISO as BS EN ISO 6570:2004) Natural gas Determination of potential hydrocarbon liquid content Gravimetric methods The European Standard EN ISO 6570:2004 has the status of a British Standard ICS 7
2、5.060 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:56:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 6570:2004 This British Standard, having been prepared under the direction of the Sector Policy and Strategy Committee for Materials and Chemicals, was published under the auth
3、ority of the Standards Policy and Strategy Committee on 24 April 2002 BSI 27 September 2004 ISBN 0 580 39581 2 National foreword This British Standard is the official English language version of EN ISO 6570:2004. It is identical with ISO 6570:2001. The UK participation in its preparation was entrust
4、ed to Technical Committee PTI/15, Natural gas and gas analysis, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Additional information The committee responsible for this British Standard reminds users that uncertaint
5、ies quoted with results of any analysis using these methods should follow the guidance given in PD 6461-3:1995 “Vocabulary of metrology Part 3: Guild to the expression of uncertainty in measurement”. Cross-references The British Standards which implement international or European publications referr
6、ed to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisi
7、ons of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, o
8、r proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages
9、 ii to v, a blank page, pages 1 to 21, the Annex ZA page, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments 1536827 September 2004 Implementation of the Eur
10、opean Standard Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:56:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 6570 September 2004 ICS 75.060 English version Natural gas - Determination of potential hydrocarbon liquid content - Grav
11、imetric methods (ISO 6570:2001) Gaz naturel - Dtermination de la teneur en hydrocarbures liquides potentiels - Mthodes gravimtriques (ISO 6570:2001) This European Standard was approved by CEN on 22 July 2004. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate t
12、he conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists i
13、n three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies
14、of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR ST
15、ANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 6570:2004: E Licensed Copy: sheffieldun shef
16、fieldun, na, Sun Nov 19 15:56:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI I NESO 56:0702( 40E) 2 Foreword The text of ISO 6570:2001 has been prepared by Technical Committee ISO/TC 193 “Natural gas” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 6570:2
17、004 by CMC. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2005, and conflicting national standards shall be withdrawn at the latest by March 2005. According to the CEN/CENELEC Internal Reg
18、ulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
19、Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 6570:2001 has been approved by CEN as EN ISO 6570:2004 without any modifications. NOTE Normative references to International Standards are listed in Annex ZA (normative). E
20、N ISO 6570:2004 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:56:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 6570:2001(E) INTERNATIONAL STANDARD ISO 6570 First edition 2001-06-15 Natural gas Determination of potential hydrocarbon liquid content Gravimetric methods
21、Gaz naturel Dtermination de la teneur en hydrocarbures liquides potentiels Mthodes gravimtriques EN ISO 6570:2004 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:56:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii EN ISO 6570:2004 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 19 15:5
22、6:03 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ISO 6570:2001(E) iii ContentsPage Foreword.iv Introduction.v 1Scope 1 2Normative references1 3Principle2 4Apparatus requirements .2 4.1Measurement installation2 4.2Check for correct installation operation .5 5Sampling.10 5.1General10 5.2Sampling condit
23、ions .10 5.3Sample line.10 5.4Direct sampling10 5.5Indirect sampling.10 6Procedure.11 6.1Determination of potential hydrocarbon liquid content11 6.2Determination of water formation12 7Expression of results 12 7.1Method A Manual weighing method12 7.2Method B Indirect automatic method14 8Uncertainty o
24、f measurement15 8.1Achievable uncertainty .15 8.2Gas leakage15 8.3Bath liquid 16 8.4Wet gas.16 8.5Condensate leakage16 8.6Variations in bath temperature and pressure in the gas/liquid cyclone separator 16 8.7Premature condensation.16 9Test report16 Annex A (informative) Selection of measurement temp
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