BS EN ISO 1833-25:2013 Textiles. Quantitative chemical analysis. Mixtures of polyester and certain other fibres (method using trichloroacetic acid and chloroform)
2020BS EN ISO 1833-25:2020 Textiles. Quantitative chemical analysis - Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform)
2013BS EN ISO 1833-25:2013 Textiles. Quantitative chemical analysis. Mixtures of polyester and certain other fibres (method using trichloroacetic acid and chloroform)