Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
肥料.用高效液相色谱法（HPLC）测定尿素缩合物.异丁烯二脲和巴豆烯二脲（方法A）和甲基脲低聚物（方法B）

2010-07-01

Fertilizers. Determination of urea condensates using high-performance liquid chromatography (HPLC). Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
肥料 使用高效液相色谱法（HPLC）测定尿素冷凝液 异丁烯二脲和巴豆烯二脲（方法A）和甲基脲低聚物（方法B）

2010-06-30

Fertilizers — Determination of urea condensates using high-performance liquid chromatography (HPLC) — Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
肥料 - 使用高效液相色谱（Hplc） - 异丁烯二脲和巴豆基二脲（方法A）和亚甲基脲脲（方法B）测定尿素冷凝物

2016-04-06

Fertilizers - Determination of urea condensates using high-performance liquid chromatography (HPLC) - Isobutylidenediurea and crotonylidenediurea (method A) and methylen-urea oligomers (method B)
肥料.用高效液相色谱法（HPLC）测定尿素缩合物.异丁烯二脲和巴豆烯二脲（方法A）和甲基脲低聚物（方法B）

2010-07-21

Draft Document - Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016); German and English version prEN ISO 15604:2019
文件草案——肥料——同一样品中不同形态氮的测定 其中含有氮 如硝酸、氨氮、尿素和氰胺氮（ISO 15604-2016）；德文和英文版本prEN ISO 15604:2019

2019-06-01