UNE-EN ISO 17234-1:2021
Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020)

Standard No.

UNE-EN ISO 17234-1:2021

Release Date

2021

Published By

ES-UNE

Latest

UNE-EN ISO 17234-1:2021

UNE-EN ISO 17234-1:2021 history

• 2021 UNE-EN ISO 17234-1:2021 Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants (ISO 17234-1:2020)
• 1970 UNE-EN ISO 17234-1:2015