BS EN ISO 1833-17:2020 - TC
Tracked Changes. Textiles. Quantitative chemical analysis Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid)
| Označení normy: | BS EN ISO 1833-17:2020 - TC |
| Vydáno: | 2020-11-12 |
| ISBN: | 978 0 539 14797 1 |
| Status: | Tracked Changes |
BS EN ISO 1833-17:2020 - TC
This standard BS EN ISO 1833-17:2020 - TC Tracked Changes. Textiles. Quantitative chemical analysis is classified in these ICS categories:
- 59.060.01 Textile fibres in general
- 59.060.20 Man-made fibres
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 ISOÂ 1833-12 and ISOÂ 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.