摘要
本文就影响羰基值测定方法重现性的因素进行了探讨。实验证明，将２，４－二硝基苯肼苯溶液的浓度改为０．０２５％，并且精密加入。
Factors which influence the reproduction of determination of carbonyl group value have been studied and the results showed that reproduction are better when the 2,4dinitrophenylhydrazine solusion are added carefully and the optimum concentration is 0025%.
出处
《中国药事》
CAS
1998年第2期98-98,共1页
Chinese Pharmaceutical Affairs
