Projects of CEN/TC 223/WG 4

DIN EN 13651 2023-04-23 Soil improvers and growing media - Extraction of calcium chloride/DTPA (CAT) soluble nutrients; German and English version prEN 13651:2025 More  Comment 
DIN EN 18255 2023-04-23 Soil improvers and growing media - Determination of organic nitrogen; German and English version prEN 18255:2025 More  Comment 
DIN EN 18256 2023-04-23 Digestate - Determination of the residual biogas potential; German and English version prEN 18256:2025 More  Comment 
DIN EN 18251 2023-04-23 Soil improvers and growing media - Determination of phosphonate content; German and English version prEN 18251:2025 More  Comment 
DIN EN 18258 2023-04-23 Soil improvers and growing media - Determination of the mercury content; German and English version prEN 18258:2025 More  Comment 
DIN EN 18257 2023-04-23 Soil improvers and growing media - Determination of chromium(VI); German and English version prEN 18257:2025 More  Comment 
DIN EN 18252 2023-04-23 Soil improvers and growing media - Determination of the chloride content; German and English version prEN 18252:2025 More  Comment 
DIN EN 18259 2023-04-23 Soil improvers and growing media - Determination of aqua regia soluble elements; German and English version prEN 18259:2025 More  Comment 
DIN EN 13038 2021-10-04 Soil improvers and growing media - Determination of electrical conductivity; German and English version prEN 13038:2025 More  Comment 
DIN EN 13037 2021-10-04 Soil improvers and growing media - Determination of pH; German and English version prEN 13037:2025 More  Comment 

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