EN ISO 21135:2024

Reference details

Reference

EN ISO 21135:2024

Title

Chemicals for the leather tanning industry - Determination of the total content of certain bisphenols (ISO 21135:2024)

Organisation

CEN

Publisher status in source

PublishedThis 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

Record the exact edition and associated amendments, the assessed object, the evidence examined and the limits of the conclusion. Explore IESQ research for detailed product and standard studies.

Legal citation

No Commission citation record has been linked to this reference in the IESQ index. That is an index result, not a conclusion that the standard is uncited. Consult the relevant Commission list and Official Journal acts.

Other indexed references in this family

Use the official record to check earlier editions, amendments, corrigenda and replacement publications. The IESQ index does not infer a replacement relationship from a similar title.