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UNE EN ISO 1833-7:2018
Textiles - Quantitative chemical analysis - Part 7: Mixtures of polyamide with certain other fibres (method using formic acid) (ISO 1833-7:2017)
Textiles. Análisis químico cuantitativo. Parte 7: Mezclas de poliamida con otras fibras determinadas (método del ácido fórmico). (ISO 1833-7:2017).
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| Standard number: | UNE EN ISO 1833-7:2018 |
| Pages: | 11 |
| Released: | 2018-01-10 |
| Status: | Standard |
| Pages (Spanish): | 10 |
DESCRIPTION
UNE EN ISO 1833-7:2018
This part of ISO 1833 specifies a method, using formic acid, to determine the mass percentage of polyamide fibre, after removal of non-fibrous matter, in textiles made of mixtures of polyamide with - cotton, viscose, cupro, modal, lyocell, polyester, polypropylene, chlorofibre, acrylic, glass fibre, elastomultiester,elastolefin and melamine or wool or animal hair fibres with the following restriction: when the wool content exceeds 25 %, the method described in ISO 1833-4 shall be used.