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NA 057

DIN Standards Committee Food and Agricultural Products

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Drafts of NA 057

Number: 130

DIN EN 17755 2026-04 Inorganic fertilizers - Determination of specific parameters; German and English version prEN 17755:2026 More 
DIN EN 18322 2026-04 Inorganic fertilizers - Determination of the organic carbon content by dry combustion; German and English version prEN 18322:2026 More 
DIN EN 18337 2026-04 Food authenticity - Determination of ¹⁸O/¹⁶O isotope ratios in liquid aqueous food matrices by Equilibration - Isotope Ratio Mass Spectrometry (Eq-IRMS); German and English version prEN 18337:2026 More 
DIN EN 18338 2026-04 Food authenticity - Sample preparation for isotope ratio analysis of fruit and vegetable juices and related products; German and English version prEN 18338:2026 More 
DIN EN 18317 2026-03 Organo-mineral fertilizers - Determination of the N-(n-butyl)thiophosphoric triamide (NBPT) urease inhibitor content; German and English version prEN 18317:2026 More 
DIN EN 17403 2026-03 Inorganic fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C; German and English version prEN 17403:2026 More 
DIN EN 17760 2026-03 Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content; German and English version prEN 17760:2026 More 
DIN EN 18318 2026-03 Organo-mineral fertilizers - Determination of specific inhibiting compounds; German and English version prEN 18318:2026 More 
DIN EN 18316 2026-03 Inorganic fertilizers - Determination of the total K2O content; German and English version prEN 18316:2026 More 
DIN EN 18319 2026-03 Fertilizers, liming materials and inhibitors - Determination of the phosphonates content by ion chromatography and conductivity detection (IC-CD); German and English version prEN 18319:2026 More 

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