设计了紫外分光光度计测定 丙嗪含量的方法。回收率99.3%~100.8%;相对标准偏差0.456%;浓度在0~20μg/ml范围内的相关系数(r)=0.9999。
UV spectrophotometer was designed to measure the content of promethazine
The golden and ultraviolet-absorbed CeO2-TiO2 film was prepared on soda-lime glass substrate with the thickness of 2 mm via the sol-gel method. The transmission