Objective To establish a determination method of the residual chloroform,dichloromethane and methylbenzene in Granisetron Hydrochloride by GC.

• 目的建立了毛细管气相色谱法测定盐酸格拉司琼中氯仿、二氯甲烷、甲苯的有机溶剂残留量。