UNE - Spanish national standards

Lasers and laser-related equipment - Test methods for laser-induced damage threshold - Part 2: Threshold determination (ISO 21254-2:2011) (Endorsed by AENOR in December of 2011.)

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Lasers and laser-related equipment - Test methods for laser-induced damage threshold - Part 3: Assurance of laser power (energy) handling capabilities (ISO 21254-3:2011) (Endorsed by AENOR in December of 2011.)

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Stationary source emissions - Determination of the mass concentration of dinitrogen monoxide (N2O) - Reference method: Non-dispersive infrared method (ISO 21258:2010)

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AEROSPACE SERIES. ALUMINIUM ALLOY AL-P7075-T651. PLATES 6 MM < A <= 80MM.

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Building and civil engineering sealants - Assessment of the fungal growth on sealant surfaces (ISO 21265:2021)

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Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 1: Batch test using a liquid to solid ratio of 2 l/kg dry matter (ISO 21268-1:2019) (Endorsed by Asociación Espanola de Normalización in November of 2019.)

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Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like material - Part 2: Batch test using a liquid to solid ratio of 10 l/kg dry matter (ISO 21268-2:2019) (Endorsed by Asociación Espanola de Normalización in November of 2019.)

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Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 3: Up-flow percolation test (ISO 21268-3:2019) (Endorsed by Asociación Espanola de Normalización in November of 2019.)

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Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: Influence of pH on leaching with initial acid/base addition (ISO 21268-4:2019) (Endorsed by Asociación Espanola de Normalización in January of 2020.)

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AEROSPACE SERIES. ALUMINIUM ALLOY AL-P7075-T73511. EXTRUDED BARS AND SECTIONS A OR D <= 100 MM.

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