UNE - Spanish national standards

Analytical colorimetry - Part 2: Saunderson correction, solutions of the Kubelka-Munk equation, tinting strength, depth of shade, hiding power (ISO 18314-2:2023)

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Analytical colorimetry - Part 3: Special indices (ISO 18314-3:2022)

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Analytical colorimetry - Part 4: Metamerism index for pairs of samples for change of illuminant (ISO 18314-4:2024)

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Essential oils. Determination of peroxide value

Available languages: Spanish, English

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Jewellery - Consumer confidence in the diamond industry (ISO 18323:2015)

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Rubber materials obtained from EndofLife Tyres – Guidelines for the compliance to CLP and REACH regulations – Granulates and powders (Endorsed by Asociación Espanola de Normalización in July of 2026.)

Available languages: English

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Report on installation scenarios, available test methods and national legislation to be considered for the fire performance classification of roof systems with above roof mounted PV modules (Endorsed by Asociación Espanola de Normalización in July of 2026.)

Available languages: English

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Textiles - Quantitative chemical analysis - Part 1: General principles of testing (ISO 1833-1:2020)

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Textiles - Quantitative chemical analysis - Part 10: Mixtures of triacetate or polylactide with certain other fibres (method using dichloromethane) (ISO 1833-10:2019)

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Textiles - Quantitative chemical analysis - Part 11: Mixtures of certain cellulose fibres with certain other fibres (method using sulfuric acid) (ISO 1833-11:2017)

Available languages: English, Spanish

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