ISO INTERNATIONAL STANDARD 2719 Fourth edition 2016-06-15 Determination of flash point Pensky-Martens closed cup method Détermination du point d'éclair - Méthode Pensky-Martens en vase clos Reference number ISO 2719:2016(E) ISO @IS02016 Not for Resale, 07/19/2016 17:39:26 MDT IS0 2719:2016(E) COPYRIGHT PROTECTEDDOCUMENT IS0 2016, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 · CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0 2016 - All rights reserved No reproductic networking permited withoutlicense from IHS Not for Resale, 07/19/2016 17:39:26 MDT IS0 2719:2016(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Principle ..2 5 Chemicals and materials ..2 6 Apparatus ..2 7 Apparatus preparation .3 7.1 General. .3 7.2 Location of the apparatus .3 7.3 Cleaning the test cup .3 7.4 Apparatus assembly .3 7.5 Apparatus verification .3 8 Sampling. .4 9 Sample handling ..4 9.1 Petroleum products .4 9.1.1 Sub-sampling .4 9.1.2 Samples containing undissolved water. .4 9.1.3 Samples that are liquid at ambient temperature. .4 9.1.4 Samples that are very viscous, semi-solid or solid at ambient temperature ..4 9.2 Paints and varnishes 5 10 Procedure. .5 10.1 General. ..5 10.2 Procedure A .5 10.3 Procedure B ..6 10.4 ProcedureC ..7 11 Calculation .8 11.1 Conversion of barometric pressure reading. ..8 11.2 Correction of observed flash point to standard atmospheric pressure ..8 12 Expression of results .8 13 Precision ..8 13.1 General 13.2 Repeatability, r ..8 13.3 Reproducibility, R ..9 14 Test report ..10 Annex A (informative) Apparatus verification ..11 Annex B (normative) Pensky-Martens closed cup test apparatus ..14 Annex C (normative) Temperature measuring device specification ..20 Bibliography ..22 iii ed without license from IHS Not for Resale, 07/19/2016 17:39:26 MDT