ISO 20418-3:2020

Textiles — Qualitative and quantitative proteomic analysis of some animal hair fibres — Part 3: Peptide detection using LC-MS without protein reduction

Publication date: Jun 5, 2020

General information

Current stage: 90.20 Effective date: Apr 15, 2025

Originator: ISO

Owner: ISO/TC 38

Type: International Standard

ICS: 59.060.01

Languages: English French

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Status: Published

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This document specifies a qualitative and quantitative procedure to determine the composition of animal hair fibre blends (made of wool, cashmere, yak, alpaca, camel or angora) by LC-MS without protein reduction.
NOTE 1 The composition of non-animal hair fibres can be measured by ISO 1833 (all parts). Both results are combined to determine the total fibre composition.
The method is based on a preliminary identification, by light microscopy, of all fibres in the blend on the basis of their morphology, according to ISO/TR 11827[4]. It is not applicable if fibres of the same animal species (such as blends of cashmere and mohair) are present.
NOTE 2 In this case, the quantitative analysis is performed using microscopical analysis [for example, ISO 17751 (all parts)].

Life cycle

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PUBLISHED
ISO 20418-3:2020
90.20 Standard under periodical review
Apr 15, 2025

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