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Standards UNE - Spanish national standards - Page 1213
Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.
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UNE-EN ISO 1833-21:2020
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Textiles - Quantitative chemical analysis - Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone) (ISO 1833-21:2019)
Standard published on 19.2.2020
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UNE-EN ISO 1833-22:2022
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Textiles - Quantitative chemical analysis - Part 22: Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride) (ISO 1833 22:2020)
Standard published on 25.5.2022
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UNE-EN ISO 1833-24:2011
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Textiles - Quantitative chemical analysis - Part 24: Mixtures of polyester and certain other fibres (method using phenol and tetrachloroethane) (ISO 1833-24:2010)
Standard published on 29.6.2011
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UNE-EN ISO 1833-25:2021
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Textiles - Quantitative chemical analysis - Part 25: Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform) (ISO 1833-25:2020)
Standard published on 23.6.2021
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UNE-EN ISO 1833-26:2021
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Textiles - Quantitative chemical analysis - Part 26: Mixtures of melamine with certain other fibres (method using hot formic acid) (ISO 1833-26:2020)
Standard published on 29.9.2021
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UNE-EN ISO 1833-27:2020
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Textiles - Quantitative chemical analysis - Part 27: Mixtures of cellulose fibres with certain other fibres (method using aluminium sulfate) (ISO 1833-27:2018)
Standard published on 19.2.2020
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UNE-EN ISO 1833-28:2021
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Textiles - Quantitative chemical analysis - Part 28: Mixtures of chitosan with certain other fibres (method using diluted acetic acid) (ISO 1833-28:2019)
Standard published on 20.1.2021
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UNE-EN ISO 1833-29:2021
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Textiles - Quantitative chemical analysis - Part 29: Mixtures of polyamide with polypropylene/polyamide bicomponent (method using sulfuric acid) (ISO 1833-29:2020)
Standard published on 24.2.2021
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UNE-EN ISO 1833-3:2021
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Textiles - Quantitative chemical analysis - Part 3: Mixtures of acetate with certain other fibres (method using acetone) (ISO 1833-3:2020)
Standard published on 29.9.2021
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UNE-EN ISO 1833-4:2024
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Textiles - Quantitative chemical analysis - Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite) (ISO 1833-4:2023)
Standard published on 30.4.2024
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