Preparation and Quality Control of Qindiyou Emulsion
- VernacularTitle:氢地油乳剂的制备及质量控制
- Author:
Quanmei ZHANG
;
Jihong GE
;
Maohui ZHANG
;
Bing LIU
- Publication Type:Journal Article
- Keywords:
Qingdiyou emulsion;
Tetracaine hydrochloride;
Preparation;
Quality control
- From:
China Pharmacy
2005;0(22):-
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVE:To prepare qingdiyou emulsion and to establish its quality control.METHODS:Qindiyou emulsion was prepared by emulsification by using tetracaine hydrochloride as principal agent.The content of tetracaine hydrochloride was determined by UV spectrophotometry.The stability of 3 batches of samples was investigated.RESULTS:The preparation was white emulsion.The linear range of tetracaine hydrochloride was 3.168～9.504 ?g?mL-1(r=0.999 9),with an average recovery rate of 99.68%(RSD=0.49%).The 3 batches of sample preparations were proved to be stable in quality.CONCLUSION:This method is simple in operation,accurate in content determination,and stable and controllable in quality within expiration date.
