Textile and leather determinations

Description: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene; detection of the use of certain azo colorants accessible with and without extracting the fibres; determination of certain aromatic amines derived from azo colorants; chemical determination of chromium(VI) content in leather; and colour fastness to cycles of to-and-fro rubbing Method: ISO 11640, ISO 17075, ISO 14362-3, ISO 14362-1,ISO 17234-1