BS EN IS0 10927:2018 Bsl Standards Publication Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assisted laser desorption/ionization time- of-flight mass spectrometry (MALDI-TOF-MS) bsi. BSENIS010927:2018 BRITISH STANDARD National foreword This British Standard is theUK implementation of ENIS010927:2018. Itis identicaltoIS010927:2018.It supersedesBSENIS010927:2011, which is withdrawn. TheUKparticipationinitspreparationwas entrusted to Technical Committee PRI/21,Testingofplastics. A list oforganizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. @TheBritishStandards Institution2018 Published by BSI Standards Limited 2018 ISBN9780580962080 ICS83.080.01 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31July2018 Amendments/corrigendaissued sincepublication Date Text affected EUROPEANSTANDARD ENIS0 10927 NORMEEUROPEENNE EUROPAISCHE NORM July 2018 ICS83.080.01 Supersedes ENIS0 10927:2011 English Version Plastics - Determination of the molecular mass and molecular mass distribution of polymer species by matrix-assistedlaserdesorption/ionizationtime-of-flight Plastiques-Déterminationdelamassemoleculaire Kunststoffe-BestimmungderMolmasseund et de la distribution des masses moléculaires des Molmassenverteilung von polymeren Species polymeres par spectrométrie demasse,atemps durch matrixunterstitze Laser-Desorptions/ de vol,apres désorption/ionisation laserassistee Ionisations-Flugzeit-Massenspektrometrie (MALDI-TOF-MS) (ISO 10927:2018) This European Standard was approved by CEN on 28 June 2018. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre ortoany CENmember. This European Standard exists in three official versions (English, French, German). A version in any other language made bytranslation under the responsibility ofa CEN member into its own language and notified to the CEN-CENELEC Management Centrehasthe samestatusasthe officialversions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEEFURNORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17,B-1000 Brussels 2018CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 10927:2018: E worldwide for CEN national Members