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NA 057

DIN Standards Committee Food and Agricultural Products

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Drafts of NA 057

Number: 127

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 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 
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 ISO 5530-1 2025-11 Wheat flour - Physical characteristics of doughs - Part 1: Determination of water absorption and rheological properties using a farinograph (ISO/FDIS 5530-1:2025); German and English version prEN ISO 5530-1:2025 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 29981 2025-11 Milk products - Enumeration of bifidobacteria - Colony-count technique (ISO 29981:2024); German and English version prEN ISO 29981:2025 More 

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