GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene
ISO 2418:2002 Leather - Chemical, physical and mechanical and fastness tests - Sampling location
ISO 4044:2008 Leather - Chemical tests - Preparation of chemical test samples
GOST R ISO 17234-2-2015 history
2015GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene