Registration number (WIID)Project No.TitleStatus
71688LVS CEN/TS 17776:2022Organic and organo-mineral fertilizers - Determination of the total organic carbon (TOC) content by dry combustionStandarts spēkā
32472LVS EN 15750:2010Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methodsStandarts spēkā
36494LVS EN 16032:2012Fertilizers - Extraction and determination of elemental sulfurStandarts spēkā
38090LVS EN 16196:2013Fertilizers - Manganimetric determination of extracted calcium following precipitation in the form of oxalateStandarts spēkā
62764LVS EN 12945+A1:2017Liming materials - Determination of neutralizing value - Titrimetric methodsStandarts spēkā
71690LVS CEN/TS 17778:2022Organic and organo-mineral fertilizers - Determination of the chromium (VI) content by chromotographyStandarts spēkā
71691LVS CEN/TS 17779:2022Organo-mineral fertilizers - Extraction of phosphorus, which is soluble in neutral ammonium citrateStandarts spēkā
73777LVS CEN/TS 17759:2022Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen contentStandarts spēkā
72449LVS CEN/TS 17781:2022Organic, organo-mineral and inorganic fertilizers - Detection of Escherichia coliStandarts spēkā
68186LVS EN 13971:2020Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acidStandarts spēkā
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