DIN Standards Committee Food and Agricultural Products
DIN EN 15705
Inorganic fertilizers - Determination of methylen-urea oligomers using high-performance liquid chromatography (HPLC); German version EN 15705:2023
Anorganische Düngemittel - Bestimmung von Methylenharnstoff-Oligomeren mittels Hochleistungsflüssigkeitschromatographie (HPLC); Deutsche Fassung EN 15705:2023
Overview
This document specifies a method for the determination of methylen-urea (MU) oligomers in inorganic fertilizers using high-performance liquid chromatography (HPLC). The method is applicable to all fertilizers which do not contain interfering organic compounds. This document has been prepared in Working Group WG 7 "Inorganic fertilizers and inhibitors" of Technical Committee 260 "Fertilizers and lime fertilizers". NA 057-03-02 AA "Düngemittel" ("Fertilizers") at DIN Standards Committee Food and Agricultural Products (NAL) is responsible for this document.