This paper describes the determination of inj ection ribavirini by polarimetry,and it is compared with nitriding,the results i ndicate that this method is more simple,rapid and accurate.

• 采用旋光法测定三氮唑核苷注射液的含量，与河北药品标准1991年版采用的定氮法比较，方法简单，快捷，准确。