BS EN IS0 17234-1:2020 BSl Standards Publication Leather Chemical tests for the determination of certain azo colorants in dyed leathers Part 1: Determination of certain aromatic amines derived from azo colorants bsi. BSENISO17234-1:2020 BRITISH STANDARD National foreword This British Standard is theUK implementation of ENIS017234-1:2020. Itis identical toIS017234-1:2020.ItsupersedesBSENIS017234-1:2015 which is withdrawn. TheUKparticipationinitspreparationwas entrustedtoTechnical CommitteeTCI/69,Footwear&Leather. A list oforganizationsrepresented on this committee can be obtained on request to its committee manager. This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. @The British Standards Institution 2020 Published by BSI Standards Limited 2020 ISBN9780539011043 ICS59.140.30 Compliancewith aBritish Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon30September2020 Amendments/corrigendaissuedsincepublication Date Text affected BSENISO17234-1:2020 EN ISO 17234-1 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM September 2020 ICS 59.140.30 Supersedes ENIS017234-1:2015 English Version Leather- Chemical testsforthe determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (IsO 17234-1:2020) Cuir - Essais chimiques pour le dosage de certains Leder - Chemische Prifungen zur Bestimmung colorants azoiques dans les cuirs teints - Partie 1: bestimmter Azofarbstoffe in gefarbten Ledern - Teil 1: Dosage de certaines amines aromatiques derivees des BestimmungbestimmteraromatischerAmineaus colorantsazoiques (Is017234-1:2020) Azofarbstoffen (IS017234-1:2020) This European Standard was approved by CEN on 27 July 2020. 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 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, 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 COMITEEUROPEENDENORMALISATION EUROPAISCHES KOMITEE FUR NORMUNG CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels @2020CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 17234-1:2020 E worldwide for CEN national Members