Registration number (WIID)Project No.TitleStatus
71681CEN/TS 17769:2022Organic and organo-mineral fertilizers - Determination of the mercury contentIzstrādē
71680CEN/TS 17768:2022Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elementsIzstrādē
71678CEN/TS 17766:2022Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elementsIzstrādē
71689CEN/TS 17777:2022Organic and organo-mineral fertilizers – Determination of specific elementsIzstrādē
13039EN 12944-1:1999Fertilizers and liming materials and soil improvers - Vocabulary - Part 1: General termsIzstrādē
71683CEN/TS 17771:2022Organic and organo-mineral fertilizers - Determination of the nitrogen contentIzstrādē
71687CEN/TS 17775:2022Organic and organo-mineral fertilizers - Determination of the inorganic arsenic contentIzstrādē
71685CEN/TS 17773:2022Organic and organo-mineral fertilizers - Determination of the dry matter contentIzstrādē
13030-Technical report identifying the analytical problems and putting forward a work programme in order to pinpoint the trace elements present in chelated form in the EEC fertilizersIzstrādē
29075EN 15452:2008Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p-EDDHA by reversed phase HPLCIzstrādē
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