BSENIS06974-3:2018 Bsl Standards Publication Natural gas - Determination of composition and associated uncertainty by gas chromatography Part 3: Precision and bias bsi. BSENISO6974-3:2018 BRITISH STANDARD National foreword ThisBritish Standard is theUK implementationof ENIS06974-3:2018. It is identical to IS0 6974-3:2018. It supersedes BS EN IS0 6974-3:2001, which is withdrawn. TheUKparticipationinitspreparationwas entrustedto Technical CommitteePTI/15, NaturalGas and Gas Analysis. A list oforganizationsrepresented 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. @The British Standards Institution 2018 Published by BSI Standards Limited 2018 ISBN9780580949920 ICS 75.060 Compliance with a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31December2018. Amendments/corrigendaissuedsincepublication Date Text affected EUROPEANSTANDARD EN IS0 6974-3 NORME EUROPEENNE EUROPAISCHE NORM November 2018 ICS 75.060 Supersedes EN IS0 6974-3:2001 English Version Natural gas - Determination of composition and Precision and bias (IS0 6974-3:2018) Gaz naturel-Détermination de la composition et de Erdgas - Bestimmung der Zusammensetzung und der I'incertitudeassocieepar chromatographie en phase zugehorigen Unsicherheit durch Gaschromatographie gazeuse - Partie 3: Fidelité et biais (IS0 6974-3:2018) - Teil 3: Prazision und Bias (IS0 6974-3:2018) This European Standard was approved by CEN on 14 November 2018. this European Standard the status ofa national standard without any alteration. Up-to-date lists and bibliographical ortoany CEN member. This European Standard exists in three official versions (English, French, German).A version in any other language made bytranslation under theresponsibility ofa CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. 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 KOMITEE FUR NORMUNG 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 ISO 6974-3:2018: E worldwide for CEN national Members