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Overview EN ISO 17234-1:2024 - Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colourants…
Overview EN ISO 17234-2:2011 (ISO 17234-2:2011) specifies a chemical test procedure for the detection and determination of 4‑aminoazobenzene in dyed leathers. This part is supplementary to ISO 17234‑…
What is ISO 17234 ‑ 1 about? ISO 17234 ‑ 1 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 pr…
Overview ISO 17234-2:2011 - Leather: Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4‑aminoazobenzene describes a specialised analytical pro…
Overview - ISO 17234-1:2020 (Leather chemical test for certain azo colourants) ISO 17234-1:2020 specifies a laboratory method for detecting the use of certain azo colourants in dyed leathers by measu…
Overview ISO 17234-1:2024 - Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colourants sp…