Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of certain aromatic amines derived from azo colorants Ingestion-build-65808 EN 13848-3 and EN 13848-4

EN 13848-3 and EN 13848-4

and products specifically designed for therapeutic use

There is an urgent need within utilities and industry for material standards

which are specified in respective parts of IEC 60603-7 standards for connecting hardware applications up to 2 000 MHz

ISO 4026:1993

Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of certain aromatic amines derived from azo colorants Ingestion-build-65808 EN 13848-3 and EN 13848-41 Scope This document specifies a method for determining the use of certain azo colourants which can release certain aromatic amines.