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NA 057

DIN Standards Committee Food and Agricultural Products

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Drafts of NA 057

Number: 123

DIN EN 17765 2026-01 Organic and organo-mineral fertilizers - Determination of biuret content by high-performance liquid chromatography (HPLC); German and English version prEN 17765:2026 More 
DIN EN 18292 2025-12 Inorganic fertilizers - Determination of the dry matter content; German and English version prEN 18292:2026 More 
DIN EN 15960 2025-12 Inorganic fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates; German and English version prEN 15960:2025 More 
DIN EN 15961 2025-12 Inorganic fertilizers - Extraction of water-soluble calcium, magnesium, sodium and sulfur in the form of sulfates; German and English version prEN 15961:2025 More 
DIN EN 17729 2025-12 Soil improvers - Methods for the determination of the dry matter, quantity, copper, zinc, chloride, nitrogen, P2O5 and K2O content; German and English version prEN 17729:2025 More 
DIN EN ISO 24223 2025-12 Milk and milk products - Guidance on sample preparation for physical and chemical testing (ISO/DIS 24223:2025); German and English version prEN ISO 24223:2025 More 
DIN EN 17733 2025-12 Soil improvers and growing media - Methods for sampling and sample preparation; German and English version prEN 17733:2025 More 
DIN EN 17732 2025-12 Soil improvers and growing media - Terminology; German and English version prEN 17732:2025 More 
DIN EN 15925 2025-12 Inorganic fertilizers - Extraction of total sulfur present in various forms; German and English version prEN 15925:2025 More 
DIN EN 15956 2025-12 Inorganic fertilizers - Extraction of phosphorus soluble in mineral acids; German and English version prEN 15956:2025 More 

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