EN IS0 2613-1 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM May 2023 ICS 75.060 English Version Analysis of natural gas - Silicon content of biomethane Part 1: Determination of total silicon by atomic emission spectroscopy (AES) (ISO 2613-1:2023) Analyse du gaz naturel - Teneur en silicium du Analyse von Erdgas - Siliziumgehalt von Biomethan - biomethane-Partie1:Déterminationdelateneur Teil 1: Bestimmung des Gesamtsiliziumgehalts durch totale en silicium par spectrométrie d'emission AES (IS0 2613-1:2023) atomique (SEA) (IS0 2613-1:2023) This European Standard was approved by CEN on 3 May 2023. 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 Centrehasthesamestatusastheofficialversions. 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, Turkiye and United Kingdom. cen EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels @2023CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 2613-1:2023 E worldwidefor CEN national Members. EN IS0 2613-1:2023 (E) Contents Page European foreword... 2 EN IS0 2613-1:2023 (E) European foreword This document (EN IS0 2613-1:2023) has been prepared by Technical Committee IS0/TC 193 "Natural gas" in collaboration with Technical Committee CEN/TC 408 “Natural gas and biomethane for use in transport and biomethane for injection in the natural gas grid" the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2023, and conflicting national standards shall be withdrawn at the latest by November 2023. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a Standardization Request given to CEN by the European Commission and the European Free Trade Association. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 2613-1:2023 has been approved by CEN as EN IS0 2613-1:2023 without any modification. 3