SN-CEN/TS 17403:2021由SCC 发布于 2021-01-28。
SN-CEN/TS 17403:2021 肥料 固体脲甲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磷酸盐缓冲溶液中营养聚合物溶解度的测定的最新版本是哪一版?
最新版本是 SN-CEN/TS 17403:2021 。
Full Description ADOPTED_FROM:CEN/TS 17403:2021 This document specifies a method for the determination of the cold and hot water insoluble nitrogen content in solid urea formaldehyde and methylene urea slow-release fertilizers and for the determination of the solubility of nutrient polymers in a phosphate buffer solution with a pH of 7,5 at 100 °C.
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