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Standards UNE - Spanish national standards - Page 1145
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-CEN/TS 17786-2:2022
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Inorganic micronutrient fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients - Part 2: Determination of EDTA, DTPA, HEEDTA, IDHA or EDDS (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-CEN/TS 17787:2022
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Fertilizing products - Stability of chelating and complexing agents (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-CEN/TS 17788:2022
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Organo-mineral fertilizers - Determination of the fraction of complexed micronutrients (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-CEN/TS 17789-1:2022
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Organo-mineral fertilizers - Identification of chelating agents - Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatography (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-CEN/TS 17789-2:2022
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Organo-mineral fertilizers - Identification of chelating agents - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents by ion pair chromatography (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-EN 1779:2000
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Non-destructive testing - Leak testing - Criteria for method and technique selection
Standard published on 22.2.2000
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UNE-EN 1779/A1:2004
Change
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Non-destructive testing - Leak testing - Criteria for method and technique selection
Change published on 16.7.2004
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UNE-CEN/TS 17790:2022
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Organo-mineral fertilizers - Determination of the chelated micronutrient content and the chelated fraction of micronutrients by treatment with a cation exchange resin (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-CEN/TS 17791:2022
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Inorganic fertilizers - Determination of chelating and complexing agents (Endorsed by Asociación Espanola de Normalización in May of 2022.)
Standard published on 1.5.2022
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UNE-CEN/TR 17792:2022
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Railway Applications - Wheel-rail contact geometry parameters - Technical report and background information about EN 15302 (Endorsed by Asociación Espanola de Normalización in April of 2022.)
Standard published on 1.4.2022
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