BS EN IS0 6145-1:2019 BSl Standards Publication Gas analysis Preparation of calibration gas mixtures using dynamic methods Part 1: General aspects bsi. BSENIS06145-1:2019 BRITISH STANDARD National foreword This British Standard is theUK implementation of ENIS06145-1:2019. It is identical toISO6145-1:2019.It supersedesBS ENIS06145-1:2008, which is withdrawn. TheUKparticipationinitspreparationwas entrusted to Technical Committee PTI/15, Natural Gas and Gas Analysis. 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. @ The British Standards Institution 2019 Published by BSI Standards Limited 2019 ISBN9780580999307 ICS71.040.20; 71.040.40 Compliance with a British Standard cannot confer immunity from legalobligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31October2019. Amendments/corrigendaissuedsincepublication Date Text affected BSENISO6145-1:2019 EN ISO 6145-1 EUROPEANSTANDARD NORMEEUROPEENNE EUROPAISCHE NORM October 2019 ICS 71.040.40 Supersedes EN IS0 6145-1:2008 English Version Gas analysis - Preparation of calibration gas mixtures using dynamic methods - Part 1: General aspects (IsO 6145-1:2019) Analyse des gaz - Preparation des melanges de gaz Gasanalyse - Herstellung von Kalibriergasgemischen pour étalonnage a I'aide de méthodes dynamiques - mit Hilfe von dynamische Verfahren - Teil 1: Partie 1 : Aspects genéraux (IS0 6145-1:2019) Kalibrierverfahren (IS0 6145-1:2019) This European Standard was approved by CEN on 1 September 2019. 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 or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same statusas the officialversions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEENDENORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2019CEN All rights of exploitation in any form and by any means reserved Ref.No.EN ISO 6145-1:2019 E worldwide for CEN national Members