2017BS EN ISO 1833-11:2017 Textiles. Quantitative chemical analysis. Mixtures of certain cellulose fibres with certain other fibres (method using sulfuric acid)
2011BS EN ISO 1833-11:2011 Textiles. Quantitative chemical analysis. Mixtures of cellulose and polyester fibres (method using sulfuric acid)
2011BS EN ISO 1833-10:2010 Textiles. Quantitative chemical analysis. Mixtures of triacetate or polylactide and certain other fibres (method using dichloromethane)
1988BS 4407:1988 Methods for quantitative analysis of fibre mixtures