BS EN ISO 1833-17:2020 Textiles. Quantitative chemical analysis. Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid)
2020BS EN ISO 1833-17:2020 Textiles. Quantitative chemical analysis. Mixtures of cellulose fibres and certain fibres with chlorofibres and certain other fibres (method using concentrated sulfuric acid)
2011BS EN ISO 1833-17:2011 Textiles. Quantitative chemical analysis. Mixtures of chlorofibres (homopolymers of vinyl chloride) and certain other fibres (method using sulfuric acid)
2011BS EN ISO 1833-17:2010 Textiles. Quantitative chemical analysis. Mixtures of chlorofibres (homopolymers of vinyl chloride) and certain other fibres (method using sulfuric acid)
1988BS 4407:1988 Methods for quantitative analysis of fibre mixtures