Fertilizers. Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C
肥料 固体脲醛和亚甲基脲缓释肥料中冷水不溶性氮和热水不溶性氮的测定 以及营养聚合物在pH值为7,5、温度为100℃的磷酸盐缓冲溶液中溶解度的测定

2021-01-18