BRITISH STANDARD BS EN ISO 105. J03:2009 Textiles Tests for colour fastness Part Jo3: Calculation of colour differences (IS0 105-J03:2009) ICS 59.080.01 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BS EN ISO 105-J03:2009 National foreword This British Standard is the UK implementation of EN ISO 105- J03:2009. It supersedes BS EN ISO 105-J03:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee TCI/81, Colour fastness and colour measurement of textiles. 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. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard Amendments/corrigendaissued sincepublication was published under the authority of the Standards Policy and Date Comments Strategy Committee on 30 November2009. CBSI2009 ISBN9780580642777 EN ISO 105-J03 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM October2009 ICS 59.080.01 Supersedes EN ISO 105-J03:1997 English Version Textiles - Tests for colour fastness - Part Jo3: Calculation of colour differences (lSO 105-J03:2009) Textiles - Essais de solidite des teintures - Partie J03: Textilien - Farbechtheitsprufungen - Teil J03: Calcul des écarts de couleur (ISO 105-J03:2009) Berechnungen von Farbdifferenzen (ISO 105-J03:2009) ThisEuropeanStandardwasapprovedbyCENon19September2009 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 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 official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. cer EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEEUROPEENDENORMALISATION EUROPAIS CHESKOMITEEFURNORM UNG Management Centre:Avenue Marnix17,B-1000Brussels 2009CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 105-J03:2009: E worldwide for CEN national Members.