Standard

SN EN ISO 20418-3:2020

Dec 2020 Current

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Abstract

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)].

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Standard from INB
Published: December 1 2020
Effective: December 1 2020
Document type: EN
Pages
ISBN:

ICS: 59.060.01
Publisher: SNV
Distributor: SNV
National Committee: INB/NK 108
European TC: CEN/TC 248
International TC: ISO/TC 38

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Adopted from: ISO 20418-3:2020, IDT

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Abstract

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