Reference details
- Reference
- EN ISO 17234-1:2020
- Official title
- 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)
- Organisation
- CEN
- Publisher status in source
- WithdrawnThis is the status recorded in the source, not a statement that this is the latest edition.
- Source access
- 19 October 2026
Research and application
Begin with the official scope and the product configuration. The title identifies a subject; it does not establish every product, use condition or legal requirement covered by the publication.
Product research routes
- Textiles, leather and footwear
Material composition, performance claims and chemical evidence for fabrics, garments, leather and footwear.
- Chemicals, plastics and rubber
Substance identity, material properties, sampling and analytical methods across chemical and polymer products.
Questions for the evidence file
- Material bill
- Sampling and conditioning
- Claim-to-test mapping
- Restricted-substance scope
- Substance and formulation identity
- Sample preparation
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Legal citation
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