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ČSN is a protected designation of Czech national technical standards.
Organic and organo-mineral fertilizers - Determination of the biuret content by high-performance liquid chromatography (HPLC)
Standard published on 1.12.2022
Selected format:Průmyslová hnojiva. Kombinované hnojivo NPK-2.
WITHDRAWN published on 26.9.1980
Selected format:Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements
Standard published on 1.12.2022
Selected format:Organo-mineral fertilizers - Extraction of phosphorus by formic acid
Standard published on 1.12.2022
Selected format:Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements
Standard published on 1.12.2022
Selected format:Organic and organo-mineral fertilizers - Determination of the mercury content
Standard published on 1.12.2022
Selected format:Fertizers - Determination of ammoniacal nitogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method
Standard published on 1.8.1993
Selected format:Organic and organo-mineral fertilizers - Determination of the total content of specific elements by ICP-AES after digestion by aqua regia
Standard published on 1.12.2022
Selected format:Organic and organo-mineral fertilizers - Determination of the nitrogen content
Standard published on 1.12.2022
Selected format:Organic and organo-mineral fertilizers - Determination of specific parameters
Standard published on 1.12.2022
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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