prEN ISO 17234-1
Leather - Chemical tests for the determination of certain azo colourants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colourants (ISO/DIS 17234-1:2023)

Standard No.

prEN ISO 17234-1

Published By

European Committee for Standardization (CEN)

Replace

EN ISO 17234-1:2020

Scope

This document specifies a method for determining the use of certain azo colourants which can release certain aromatic amines.

prEN ISO 17234-1 history

• 2024 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 (ISO 17234-1:2024)
• 2020 EN ISO 17234-1:2020 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)
• 2015 EN ISO 17234-1:2015 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants
• 2010 EN ISO 17234-1:2010 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 1: Determination of certain aromatic amines derived from azo colorants [Superseded: CEN CEN ISO/TS 17234]

Standard and Specification