2020BS EN ISO 1833-1:2020 Textiles. Quantitative chemical analysis - General principles of testing
2011BS EN ISO 1833-1:2011 Textiles. Quantitative chemical analysis. General principles of testing
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
0000 BS 4407:1975
BS EN ISO 1833-1:2011 Textiles. Quantitative chemical analysis. General principles of testing has been changed from BS 4407:1988 Methods for quantitative analysis of fibre mixtures.