Objective:Using the headspace Gas-chromatography methods to measure the assay of residual solvent (methanol,acetic ether and isopropyl alcohol) meanwhile in Ceftriaxone sodium.

• 目的:建立一种气相色谱法同时测定头孢曲松钠中有机溶剂甲醇、乙酸乙酯、异丙醇残留量的方法。