Textiles. Quantitative chemical analysis - Mixtures of polyamide with certain other fibres (method using formic acid)1 Scope 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

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