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NEN ISO 1833-4 : 2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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TEXTILES - QUANTITATIVE CHEMICAL ANALYSIS - PART 4: MIXTURES OF CERTAIN PROTEIN AND CERTAIN OTHER FIBRES (METHOD USING HYPOCHLORITE)
21-10-2010
12-01-2013
Defines a method, using hypochlorite, to determine the percentage of protein fibre, after removal of non-fibrous matter, in textiles made of binary mixtures of certain non-protein fibres and one protein fibre, as follows: wool, chemically-treated wool, other animal-hair fibres, silk, regenerated protein fibres based on casein, and cotton, cupro, viscose, modal, acrylic, chlorofibres, polyamide, polyester, polypropylene, glass and elastane.
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