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SN EN ISO 1833-7 : 2018
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TEXTILES - QUANTITATIVE CHEMICAL ANALYSIS - PART 7: MIXTURES OF POLYAMIDE WITH CERTAIN OTHER FIBRES (METHOD USING FORMIC ACID) (ISO 1833-7:2017)
12-01-2013
Defines 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.
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