ISO INTERNATIONAL STANDARD 10337 First edition 1997-12-15 Crude petroleum Determination of water Coulometric Karl Fischer titration method Pétrole brut Dosage de I'eau - Methode de Karl Fischer par titrage coulometrique ISO Reference number ISO 10337:1997(E) py IHS under lic Not for Resale ISO 10337:1997(E) Contents 1 Scope 2 Normative references 3 Principle 4 Reagents... 5 Apparatus 6 Sampling and sample preparation.. 6.1 General. 6.2 Laboratory sample... 6.3 Preparation of the laboratory sample .. 7 Procedure.. 7.1 Preparation of the apparatus. 7.2 Test portion 7.3 Check test 8 Calculation. 9 Expression of results . 10 Precision. 11 Test report. Annex A (normative) Sample handling... AnnexB(informative)Alternative test method using volumetric measurement of test portion size @ISO1997 All rights reserved. Unless otherwise specified, no part of this publication may be reproduceo or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Organization for Standardization Case postale 56.CH-1211 Geneve 20·Switzerland Internet central@iso.ch X.400 C=ch; a=400net; p=iso; 0=isocs; S=central Printed in Switzerland from IH: Not for Resale ISO 10337:1997(E) @ISO Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationofnational standardsbodies(IsOmember bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each memberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedon work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. DraftInternationalStandardsadoptedbythetechnicalcommitteesarecirculatedtothememberbodiesforvoting.Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO 10337 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants, Subcommittee SC 6, Bulk cargo transfer, accountability, inspection and reconciliation. Annex A forms an integral part of this International Standard. Annex B is for information only. CopyrightInternational Organizatin for Standardization ili without licensefrom IHS Not for Resale