1、ICS 75.080Petroleum and related productsPreparation of a test portion of high-boiling liquidsfor the determination of water contentNitrogen purge method(ISO 20764 : 2003)English version of DIN EN ISO 20764Minerallerzeugnisse und verwandte Produkte Herstellung eines Probenteiles von hochsiedendenFlss
2、igkeiten fr die Bestimmung des Wassergehaltes Verfahren mit Stickstoff-Splung(ISO 20764 : 2003)European Standard EN ISO 20764 : 2003 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by CEN/TC
3、19 to adopt, withoutalteration, International Standard ISO 20764 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Ma-terials Testing Standards Committee), Technical Committee Minerallerzeugnisse, Schmierstoffe und ver-wandte Produ
4、kte.DIN EN ISO 3170*) and DIN EN ISO 12937 are the standards corresponding to International StandardsISO 3170 and ISO 12937, respectively, referred to in clause 2 and in the bibliography of the EN.National Annex NAStandard referred to(and not included in Normative references, Bibliography and Annex
5、ZA)DIN EN ISO 12937 Petroleum products Determination of water Coulometric Karl Fischer titrationmethod (ISO 12937 : 2000)*) Currently at draft stage.DEUTSCHE NORM February 2004DIN EN ISO 20764 No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung
6、 e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).Normenausschuss Bauwesen (NABau) im DINEnglish price group 9www.din.dewww.beuth.de05.04 9553122Continued overleaf.Document comprises 12 pages.English versionICS 75.080Management
7、Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungPetroleum and related productsPreparation of a test portion of high-boiling liquidsfor the determination of water contentNitrogen purge method(ISO 20764 : 2003
8、) 2003. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN ISO 20764 : 2003 EPtrole et produits connexes Prparation dune prise dessai deliquides haut point dbullition envue du dosage de leau Mthodepar purge lazote (ISO 20764 : 2003)Mine
9、rallerzeugnisse und verwandteProdukte Herstellung eines Proben-teiles von hochsiedenden Flssigkei-ten fr die Bestimmung des Wasser-gehaltes Verfahren mit Stickstoff-Splung (ISO 20764 : 2003)This European Standard was approved by CEN on 2003-10-01.CEN members are bound to comply with the CEN/CENELEC
10、Internal Regulationswhich stipulate the conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to any CENmember
11、.The European Standards exist in three official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the n
12、ational standards bodies of Austria, Belgium, the CzechRepublic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland,Ireland, Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia,Spain, Sweden, Switzerland, and the United Kingdom.EN ISO 20764October 2003Page 2EN ISO 20764 :
13、2003ForewordInternational StandardISO 20764 : 2003 Petroleum and related products Preparation of a test portion of high-boiling liquids for thedetermination of water content Nitrogen purge method,which was prepared by ISO/TC 28 Petroleum products and lubricants of the International Organization forS
14、tandardization, has been adopted by Technical Committee CEN/TC 19 Petroleum products, lubricants andrelated products, the Secretariat of which is held by NEN, as a European Standard.This European Standard shall be given the status of a national standard, either by publication of an identicaltext or
15、by endorsement, and conflicting national standards withdrawn, by April 2004 at the latest.In accordance with the CEN/CENELEC Internal Regulations, the national standards organizations of the follow-ing countries are bound to implement this European Standard:Austria, Belgium, the Czech Republic, Denm
16、ark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,Italy, Luxembourg, Malta, the Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland, and theUnited Kingdom.Endorsement noticeThe text of the International Standard ISO 20764 : 2003 was approved by CEN as a European Standa
17、rd withoutany modification.NOTE: Normative references to international publications are listed in Annex ZA (normative).Page 3EN ISO 20764 : 2003Page 4EN ISO 20764 : 2003Page 5EN ISO 20764 : 2003Page 6EN ISO 20764 : 2003Page 7EN ISO 20764 : 2003Page 8EN ISO 20764 : 2003Page 9EN ISO 20764 : 2003Page 10EN ISO 20764 : 2003Page 11EN ISO 20764 : 2003
