Registration number (WIID)Project No.TitleStatus
33238LVS EN 15705:2010Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)Atcelts
75456LVS EN 15705:2023Inorganic fertilizers - Determination of methylen-urea oligomers using high-performance liquid chromatography (HPLC)Standarts spēkā
32470LVS EN 15749:2010Fertilizers - Determination of sulfates content using three different methodsAtcelts
69245LVS EN 15749:2022Fertilizers - Determination of sulfates content using three different methodsStandarts 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
29080LVS EN 15905:2010Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)Standarts spēkā
29737LVS EN 15909:2010Fertilizers - Determination of calcium and formate in calcium foliar fertilizersStandarts spēkā
35684LVS EN 15919:2011Fertilizers - Extraction of phosphorus soluble in 2 % formic acidStandarts spēkā
35685LVS EN 15920:2011Fertilizers - Extraction of phosphorus soluble in 2 % citric acidStandarts spēkā
35686LVS EN 15921:2011Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °CStandarts spēkā
Displaying 471-480 of 567 results.