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水杨酸和间苯二酚在同一个制剂中,含量测定时相互干扰,用滴定的方法无法测定,本文采用双波长测定法,分别测定了水杨酸和间苯二酚的含量,经试验证明线性关系良好,回收率和RSD值均令人满意。
Salicylic acid and resorcinol in the same preparation, the content of mutual interference measured by titration method can not be measured in this paper using dual-wavelength determination of salicylic acid and resorcinol were measured by the test Good linearity was demonstrated with satisfactory recovery and RSD values.