ISO INTERNATIONAL STANDARD 15267 First edition 1998-07-15 Animal and vegetable fats and oils - Flashpoint limit test using Pensky-Martens closed cup flash tester Corps gras d'origines animale et végetale Détermination du point d'éclair avec la meéthode Pensky-Martens en vase clos ISO Referencenumber ISO15267:1998(E) py IHS under lic Not for Resale ISO 15267:1998(E) Foreword IsO (the International Organization for Standardization) is a worldwide federationofnationalstandardsbodies(lsOmemberbodies).Theworkof preparing International Standards is normally carried out through isO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non- governmental, in liaison with SO, also take part in the work. iSO collaborates closely with the International Electrotechnical Commission (lEC)onallmattersofelectrotechnicalstandardization. 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. International Standard ISO 15267 was prepared by Technical Committee ISO/TC 34, Agricultural food products, Subcommittee SC 11, Animal and vegetable fats and oils. Annex A of this International Standard is for information only. @ISO1998 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 the publisher. International OrganizationforStandardization Casepostale56·CH-1211Geneve20·Switzerland Internet
[email protected] Printed in Switzerland Not for Resale INTERNATIONAL STANDARD @ ISO ISO 15267:1998(E) Animal and vegetable fats and oils Flashpoint limit test using Pensky-Martens closed cup flash tester 1 Scope will flash when a test flame is applied to the sample under specified conditions. amounts of volatile inflammable solvents. 2Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. Members of IEC and IsO maintain registers of currently valid International Standards. IsO 661:1989, Animal and vegetable fats and oils Preparation of test sample. IsO 2719:1988, Petroleum products and lubricants — Determination of flash point - Pensky-Martens closed cup method. 3 Principle small flame is directed into the cup. The sample is deemed to have flashed when a large flame appears and instantaneously propagates itself over the surface of the sample; a halo should be ignored. 4Apparatus 4.1 Pensky-Martens closed cup flash tester For details, see ISO 2719. 4.2 Thermometers, having a range from 10 ℃ to 200 ℃. Alternatively, an IP thermometer 101 C (having a range from 20 ℃ to 150 C) can be used. 4.3 Laboratory centrifuge (swing type), of sufficient size to hold stoppered 120 ml centrifuge tubes. 4.4 Centrifuge tubes, of 120 ml capacity, with stoppers. onal Organization for Standardization Not for Resale