UNE - Spanish national standards

Colorimetry - Part 4: CIE 1976 L*a*b* colour space (ISO/CIE 11664-4:2019)

Available languages: English, Spanish

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Colorimetry - Part 5: CIE 1976 L*u*v* colour space and u´, v´ uniform chromaticity scale diagram (ISO/CIE 11664-5:2024)

Available languages: English, Spanish

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Colorimetry - Part 6: CIEDE2000 colour-difference formula (ISO/CIE 11664-6:2022)

Available languages: English, Spanish

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Measurement of radioactivity in the environment - Air: radon-222 - Part 1: Origins of radon and its short-lived decay products and associated measurement methods (ISO 11665-1:2019) (Endorsed by Asociación Espanola de Normalización in November of 2019.)

Available languages: English

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Measurement of radioactivity in the environment - Air: radon-222 - Part 11: Test method for soil gas with sampling at depth (ISO 11665-11:2016) (Endorsed by Asociación Espanola de Normalización in November of 2019.)

Available languages: English

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Measurement of radioactivity in the environment - Air: radon-222 - Part 12: Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method (ISO/TS 11665-12:2018) (Endorsed by Asociación Espanola de Normalización in June of 2021.)

Available languages: English

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Measurement of radioactivity in the environment - Air: radon-222 - Part 2: Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products (ISO 11665-2:2019) (Endorsed by Asociación Espanola de Normalización in November of 2019.)

Available languages: English

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Measurement of radioactivity in the environment - Air: radon-222 - Part 3: Spot measurement method of the potential alpha energy concentration of its short-lived decay products (ISO 11665-3:2020) (Endorsed by Asociación Espanola de Normalización in March of 2020.)

Available languages: English

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Measurement of radioactivity in the environment - Air: radon-222 - Part 5: Continuous measurement methods of the activity concentration (ISO 11665-5:2020) (Endorsed by Asociación Espanola de Normalización in March of 2020.)

Available languages: English

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Measurement of radioactivity in the environment - Air: radon-222 - Part 6: Spot measurement methods of the activity concentration (ISO 11665-6:2020) (Endorsed by Asociación Espanola de Normalización in March of 2020.)

Available languages: English

Available design: electronic design (pdf), Print design