In this article, the content of the remaining monomer in polymethylmethacrylate was determined by gas chromatography with simplicity, convenience, quickness and accuracy via the bromination method.

• 用气相色谱法测定聚甲基丙烯酸甲酯中残余单体含量。该方法简便、快速、准确,并克服了溴化法易使结果偏高的缺点。