Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of certain aromatic amines derived from azo colorants Ingestion-build-48183 or even for comparison between

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ISO 4648:1991

a question of primary importance

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Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of certain aromatic amines derived from azo colorants Ingestion-build-48183 or even for comparison betweenWhat is ISO 172341 about? ISO 172341 is a series on leather. Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. ISO 172341 specifies a method for determining the use of certain azo colourants which can release certain aromatic amines. Who is ISO 172341 for? ISO 172341 on leather is useful for: Leather manufacturing industries Leather testing institution