BS ISO 17315:2014 BSI Standards Publication Petroleum products and other liquids — Ethanol Determination of total acidity by potentiometric titration bsi. ..making excellence a habit BS ISO 17315:2014 BRITISHSTANDARD Nationalforeword This British Standard is the UK implementation of ISO17315:2014. The UK participation in its preparation was entrusted to Technical Committee PTI/13, Petroleum Testing and Terminology. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2014.Published by BSI Standards Limited 2014 ISBN9780580805752 ICS 75.160.20 Compliance with a BritishStandard cannot conferimmunityfrom legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2014. Amendments issued sincepublication Date Textaffected BS ISO 17315:2014 ISO 17315 INTERNATIONAL STANDARD First edition 2014-10-01 Petroleum products and other liquids Ethanol Determination of total acidity by potentiometric titration Produits petroliers etautres liquides-Ethanol-Dosagede I'acidite totalepartitrationpotentiométrique TSO ISORefegq5:2oqpEy @IS02014 BS ISO 17315:2014 IS0 17315:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2014 AHbyghtyraeansedlalestronicotherwsipenifiedlanicaindfiudisgppbotcatbpyingyobgostingintprndtigedotnttilizet) otiheamyisowithout 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. SSeostylight officeCH-1211 Geneva 20 Tel. +4122749 0111 Fax + 41 22 749 09 47 Wmw.coshiso.org Published in Switzerland ii @ IS0 2014 - All rights reserved BSISO17315:2014 IS0 17315:2014(E) Contents Page Foreword iv Iptroduction. .V Scope 1 2 Terms and definitions 1 3 Reagents and materials 4 Apparatus. .3 5 Apparatus calibration .3 6 Procedure. .3 7 Calculation 4 8 Expression of results 5 9 .5 Precision 9.1 General 5 9.2 Repeatability,r Bibliography 7 @ IS0 2014 - All rights reserved iii BS ISO 17315:2014 IS0 17315:2014(E) Foreword Iso (the International Organization for Standardization) is a worldwidefederation ofnational standards thuiegh(Iso tacbmioet bohiasiftasewofkahf pitapaeingbodyInitteresitedaihStandebjestisorowhidlycarrtiechaital committeehas been establishedhas therighttobe represented onthat committee.International organizations,governmentaland non-governmental, in liaisonwith IsO,alsotakepart inthework. ISO collaborates closely with the electrotechnical standardization.International Electrotechnical Commission (IEC) on all matters of Theprocedures used to developthis document and those intended for its further maintenance are diferptitys ofso/cdBieties SRutia benotedabisutadiferentwaepnviferiaaccordanceWith the editorial rules of the Iso/IEC Directives, Part2 (see www.iso.org/directives). Rttentionrights.diswts tan hehelssibthay responsibhe fole maentfryfng alyshsh'documax tpa thet Pegnit's subject of anypate ontheIsolistofpatentdeclarationsreceived (seewww.iso.org/patents). Anytrade used in this constitute nameendorsement. document is information given for the convenience of users and does not Foran explanation on themeaning of IsO specificterms and expressions related to conformity ssdeeB eian foinaRaboutSO'rewordshspfeettahy WatinciRlethe Technical Barriers The committee responsible for this document isIso/TC 28, Petroleum products and lubricants, SubcommitteeSC7,Liquidbiofuels. @ IS0 2014 - All rights reserved BS ISO 17315:2014 IS0 17315:2014(E) Introduction Diluted hydrous solutions of organic acids,e.g.acetic acid, can corrode many materials. Thus,it is necessarytodetermineandkeepatlowvalues theacid content inthefinal product. An ethanol sample can have organic acids from the productive process, from its handling, contained in additives, or due to sample de