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  • BSI
    BS EN ISO 20418-3:2020 Textiles. Qualitative and quantitative proteomic analysis of some animal hair fibres - Peptide detection using LC-MS without protein reduction
    Edition: 2020
    $411.69
    / user per year

Description of BS EN ISO 20418-3:2020 2020

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) ].



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.

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