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Normas BSI – AENOR
BS EN ISO 1833-17:2020

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)

2020-03-17 /Definitive
Equivalencias internacionales:

EN ISO 1833-17

ISO 1833-17

Relación con otras normas BSI:

Reemplaza a: BS EN ISO 1833-17:2010


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


  • 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.

Textile testing, Homopolymers, Determination of content, Fibre testing (textiles), Quantitative analysis, Chemical analysis and testing, Chlorofibres, Vinyl chloride, Mixtures, Extraction methods of analysis, Chemical tests (textiles), Textile fibres
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