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NA 057

DIN Standards Committee Food and Agricultural Products

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Projects of NA 057

Number: 393

DIN EN 17765 2025-06-10 Organic and organo-mineral fertilizers - Determination of biuret content by high-performance liquid chromatography (HPLC); German and English version prEN 17765:2026 More  Comment 
DIN EN 17766 2025-06-10 Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements; German and English version prEN 17766:2026 More  Comment 
DIN EN 17779 2025-06-10 Organo-mineral fertilizers - Extraction of phosphorus soluble in a neutral ammonium citrate solution; German and English version prEN 17779:2026 More  Comment 
DIN EN 17769 2025-06-10 Organic and organo-mineral fertilizers - Determination of the mercury content; German and English version prEN 17769:2026 More  Comment 
DIN EN 18298 2025-06-10 Fertilizing products - Determination of specific elements and specific parameters of by-products, thermal oxidation materials and derivates and recovered high-purity materials when used as components of fertilizing products; German and English version prEN 18298:2025 More  Comment 
DIN EN 17768 2025-06-10 Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements; German and English version prEN 17768:2026 More  Comment 
DIN EN 17776 2025-06-10 Organic and organo-mineral fertilizers - Determination of the total organic carbon (TOC) content by dry combustion; German and English version prEN 17776:2026 More  Comment 
DIN EN 17770 2025-06-10 Organic and organo-mineral fertilizers - Determination of the total content of specific elements by ICP-AES after digestion by aqua regia; German and English version prEN 17770:2026 More  Comment 
DIN EN 17767 2025-06-10 Organo-mineral fertilizers - Extraction of phosphorus by formic acid; German and English version prEN 17767:2026 More  Comment 
DIN EN 17773 2025-06-10 Organic and organo-mineral fertilizers - Determination of the dry matter content; German and English version prEN 17773:2026 More  Comment 

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