Abstract

This document specifies a qualitative procedure to qualifying leather animal species of (fibrous) protein from leather by MALDI-TOF mass spectrometer (MS). The composition of other fibres can be measured by methods described in the ISO 1833 series. Both results are then combined to determine the whole composition of fibres (see Annex C as an example of mixtures of (fibrous) protein from leather and polyester). The method is based on a preliminary identification, by light microscopy, of all fibres in a blend on the basis of their morphology, according to ISO/TR 11827.

Begin

2025-06-13

WI

00248802

Planned document number

DIN EN ISO 25353

Project number

06236960

Responsible national committee

NA 062-05-12 AA - Testing methods for separation and chemistry of textile fibres  

Responsible european committee

CEN/TC 248 - Textiles and textile products  

Responsible international committee

ISO/TC 38/WG 22 - Composition and chemical testing  

draft standard

Textiles - Qualitative analysis proteomic analysis of protein fibres from leather - Peptide detection using MALDI-TOF MS (ISO/DIS 25353:2025); German and English version prEN ISO 25353:2025
2025-10
Order from DIN Media