EN 17131-2 EUROPEAN STANDARD NORME EUROPEENNE EUROPAISCHE NORM April 2025 ICS 59.080.01 Supersedes EN 17131:2019 English Version Textiles and textile products - Determination of certain residual solvents - Part 2: Determination of benzene, method using headspace gas chromatography Textiles et produits textiles - Determination de certains Textilien und textile Erzeugnisse - Bestimmung solvants résiduels - Partie 2 : Détermination du bestimmter Losemittelruckstande - Teil 2: Bestimmung benzene, méthode par chromatographie en phase von Benzol, Verfahren mittels Headspace- gazeuse a espace de tete Gaschromatographie This European Standard was approved by CEN on 13 January 2025. 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 Centrehasthe samestatusasthe officialversions. 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. EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DENORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2025CEN All rights of exploitation in anyform and byanymeans reserved Ref. No. EN 17131-2:2025 E worldwide for CEN national Members. EN 17131-2:2025 (E) Contents Page European foreword.. 3 Introduction 1 Scope 2 Normative references. .5 3 Terms and definitions 4 Principle 5 Reagents .5 6 Apparatus. 7 Preparation of test samples, 7.1 Samp.ling.. 7.2 Preparation of test specimens 7.3 Preparation of a blank.. 8 Procedure. 8.1 Determination with HS-GC-MS 8.2 Calibration .... 8.3 Determination with HS-GC-MS. 9 Expression of results... 9.1 Calculation... 9.2 Reliability of the method.. 10 Test report Annex A (informative) Example of instrumental conditions. Annex B (informative) Reliability of the method.. 10 Bibliography... 2 EN 17131-2:2025 (E) European foreword and textile products", the secretariat of which is held by BSI. 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 October 2025, and conflicting national standards shall be withdrawn at the latest by 0ctober 2025. 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 supersedes EN 17131-2:2019. This document is Part 2 of the EN 17131 series of standards under the title Textiles and textile products Determination ofcertain residual solvents: Part 1: Determination of aprotic solvents, methodusing gas chromatography; Any feedback and questions on this document should be directed to the users' national standards body. A complete listing of these bodies can be found on the CEN website. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: 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 the Un