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FprEN ISO 25353

Textiles - Qualitative proteomic analysis of protein fibres from leather - Peptide detection using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) (ISO/FDIS 25353:2026) FprEN ISO 25353

Publication date:   Aug 27, 2026

General information

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Aug 27, 2026

CEN

CEN/TC 248 Textiles and textile products

European Norm

59.060.01   Textile fibres in general

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Scope

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.

Life cycle

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FprEN ISO 25353
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Aug 27, 2026




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