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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 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 
DIN EN 16087-1 2025-10 Soil improvers and growing media - Determination of the aerobic biological degradation rate of organic matter - Part 1: Oxygen uptake rate (OUR); German and English version prEN 16087-1:2025 More 
DIN EN 16087-2 2025-10 Soil improvers and growing media - Determination of the aerobic biological degradation rate of organic matter - Part 2: Self heating test for compost; German and English version prEN 16087-2:2025 More 
DIN EN 13037 2025-10 Soil improvers and growing media - Determination of pH; German and English version prEN 13037:2025 More 
DIN EN 13039 2025-10 Soil improvers and growing media - Determination of organic matter content and ash; German and English version prEN 13039:2025 More 
DIN EN 13038 2025-10 Soil improvers and growing media - Determination of electrical conductivity; German and English version prEN 13038:2025 More 
DIN EN 18256 2025-10 Digestate - Determination of the residual biogas potential; German and English version prEN 18256:2025 More 

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