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Textiles. Quantitative chemical analysis. Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone). Original standard BS EN ISO 1833-21-2019 (2020) in PDF full version. Additional info + preview on request

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Textiles. Quantitative chemical analysis - Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride). Original standard BS EN ISO 1833-22-2021 in PDF full version. Additional info + preview on request

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Textiles. Quantitative chemical analysis. Mixtures of polyester and certain other fibres (method using phenol and tetrachloroethane). Original standard BS EN ISO 1833-24-2011 in PDF full version. Additional info + preview on request

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Textiles. Quantitative chemical analysis. Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform). Original standard BS EN ISO 1833-25-2020 in PDF full version. Additional info + preview on request

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Textiles. Quantitative chemical analysis. Mixtures of melamine with certain other fibres (method using hot formic acid). Original standard BS EN ISO 1833-26-2020 in PDF full version. Additional info + preview on request

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Textiles. Quantitative chemical analysis. Mixtures of cellulose fibres with certain other fibres (method using aluminium sulfate). Original standard BS EN ISO 1833-27-2019 in PDF full version. Additional info + preview on request

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