Objective: We detected the content of methylene chloride and diethyleneoxide in Ceftizoxime Sodium using head-space GC method.
目的：建立一种气相色谱法测定原料药头孢唑肟钠中二氯甲烷和四氢呋喃有机溶剂残留量的方法。
2
Diethylene Triamine Penta Methylene Phosphonic Acid (DTPMP) is applied to hydration resistance treatment of anodic oxide films, which treating method is same as that of ATMP.