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NA 057

DIN Standards Committee Food and Agricultural Products

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Drafts of NA 057

Number: 139

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 13651 2025-11 Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients; German and English version prEN 13651:2025 More 
DIN EN 18261 2025-11 Compost and digestate - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC); German and English version prEN 18261:2025 More 
DIN EN 18258 2025-11 Soil improvers and growing media - Determination of the mercury content; German and English version prEN 18258:2025 More 
DIN EN 13654-2 2025-11 Soil improvers and growing media - Determination of nitrogen - Part 2: Dumas method; German and English version prEN 13654-2:2025 More 
DIN EN 13654-1 2025-11 Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method; German and English version prEN 13654-1:2025 More 
DIN EN 18257 2025-11 Soil improvers and growing media - Determination of chromium(VI); German and English version prEN 18257:2025 More 
DIN EN 18259 2025-11 Soil improvers and growing media - Determination of aqua regia soluble elements; German and English version prEN 18259:2025 More 
DIN EN ISO 21569-1 2025-11 Horizontal methods for molecular biomarker analysis - Methods of analysis for the detection of genetically modified organisms and derived products - Part 1: Qualitative nucleic acid based methods (ISO/DIS 21569-1:2025); German and English version prEN ISO 21569-1:2025 More 
DIN EN ISO 16634-2 2025-11 Food products - Determination of the total nitrogen content by combustion according to the Dumas principle and calculation of the crude protein content - Part 2: Cereals, pulses and cereal coproducts (ISO/DIS 16634-2:2025); German and English version prEN ISO 16634-2:2025 More 

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