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Homepage>BS Standards>59 TEXTILE AND LEATHER TECHNOLOGY>59.060 Textile fibres>59.060.01 Textile fibres in general>BS EN ISO 1833-17:2020 Textiles. Quantitative chemical analysis Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid)
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immediate downloadReleased: 2020-03-17
BS EN ISO 1833-17:2020 Textiles. Quantitative chemical analysis Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid)

BS EN ISO 1833-17:2020

Textiles. Quantitative chemical analysis Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid)

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Standard number:BS EN ISO 1833-17:2020
Pages:12
Released:2020-03-17
ISBN:978 0 580 52221 5
Status:Standard
DESCRIPTION

BS EN ISO 1833-17:2020


This standard BS EN ISO 1833-17:2020 Textiles. Quantitative chemical analysis is classified in these ICS categories:
  • 59.060.20 Man-made fibres
  • 59.060.01 Textile fibres in general

This document specifies a method, using concentrated sulfuric acid, to determine the mass percentage of chlorofibres and certain other fibres, after removal of non-fibrous material, in textiles made of mixtures of

  • cotton, viscose, cupro, modal, lyocell, acetate, triacetate, polyamide, polyester, elastomultiester, certain acrylic and certain modacrylic fibres

with

  • chlorofibres (based on homopolymers of vinyl chloride), polypropylene, elastolefin, melamine and polypropylene/polyamide bicomponent.

The modacrylics concerned are those which give a clear solution when immersed in concentrated sulfuric acid.

This method can be used, particularly in place of the methods described in ISO 1833-12 and ISO 1833-13, in all cases where a preliminary test shows that the chlorofibres do not dissolve completely either in dimethylformamide or in the azeotropic mixture of carbon disulfide and acetone.