ISO 19746:2017现行
Determination of urea content in urea-based fertilizers by high performance liquid chromatography (HPLC)
出版：International Organization for Standardization
专家解读视频
This document specifies the test procedure for determining the urea content in urea-based fertilizers, including urea, urea aldehydes [methylene urea fertilizers, isobutylene diurea (IBDU), crotonylidene diurea (CDU)], urea triazone fertilizers, urea ammonium nitrate (UAN), sulfur- and polymer-coated urea (SCU and PCU), as well as compound fertilizers containing urea.
NEN ISO 19746 : 2017 - Identical
BS ISO 19746 : 2017 - Identical
NEN ISO 19746 : 2017 - Identical
BS ISO 19746 : 2017 - Identical
