Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 2: Determination of 4-aminobenzene (ISO/DIS 17234-2/IUC 20-2:2009); German version prEN ISO 17234-2/IUC 20-2:2009
Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2010)— 14 стр.