BS EN ISO 6142-1:2015 BSl Standards Publication Gas analysis Preparation of calibration gas mixtures Part 1: Gravimetric method for Class I mixtures bsi. ..making excellence a habit. British Standards Institution BS EN ISO 6142-1:2015 BRITISH STANDARD National foreword This British Standard is the UK implementation of EN ISO 6142:2015. It supersedes BS EN ISO 6142:2006 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PTI/15, Natural Gas and Gas Analysis. 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 2015. Published by BSI Standards Limited 2015 ISBN 978 0580 76273 4 ICS 71.040.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Amendments/corrigenda issued since publication Date Text affected British Standards Instition EN ISO 6142-1 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2015 ICS 71.040.40 Supersedes EN IS0 6142:2006 English Version Gas analysis - Preparation of calibration gas mixtures - Part 1: Gravimetric method for Class I mixtures (ISO 6142 1:2015) Analyse des gaz - Preparation des melanges de gaz Gasanalyse - Herstellung von Kalibriergasen - Teil 1: pour étalonnage - Partie 1 : Méthode gravimétrique des Wageverfahren fur Gemische der Klasse I (IS0 6142- mélanges Classe I (IS0 6142-1:2015) 1:2015) This European Standard was approved by CEN on 5 September 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standardthestatus ofanationalstandardwithoutanyalteration.Up-to-datelistsand bibliographicalreferences 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 Centrehasthesamestatusastheofficialversions. CENmembersarethenational standardsbodies ofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels @2015CEN All rightsofexploitation in anyform and byanymeans reserved Ref.No.ENISO 6142-1:2015E worldwide for CEN national Members. British Standards Institution g Institute of quality and Standardization 5990390 om IHS