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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

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Kehtiv alates 05.06.2020
Tegevusala (ICS grupid)
59.060.01 Tekstiilkiud üldiselt
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Nimetus
05.06.2020
Põhitekst
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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