BS EN ISO 1833-7:2017

This standard BS EN ISO 1833-7:2017 Textiles. Quantitative chemical analysis is classified in these ICS categories:

• 59.060.01 Textile fibres in general

This document 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 (if the wool content is less than or equal to 25 %), or animal hair fibres.

This document does not apply when the wool content exceeds 25 %; ISO 1833‑4 applies.