紫外分光光度法测定VC银翘片中维生素C含量  

Determination of Vitamin C in VC Fructus Forsythiae Flakes by Ultraviolet Spectrophotometric Method

作　　者：开启余[1] 

机构地区：[1]江苏盐城工业职业技术学院,江苏盐城224005

出　　处：《化工技术与开发》2015年第4期41-43,共3页Technology & Development of Chemical Industry

摘　　要：采用紫外分光光度法测定维C银翘片中维生素C含量,最大吸收波长为243nm,在p H=6的弱酸性条件下测定吸光度。线性回归方程为:A=0.0040+0.0656C,R2=0.99991。该法操作方便,结果准确,可用于含维C的药片中维生素C的测定。The ultraviolet spectrophotometric method was used to determine vitamin C in fructus forsythiae flakes, the maximum absorption wavelength was at 243 rim, under the condition of the weak acidic pH=6. Linear regression equation was： A=0.0040＋0.0656C, R^2=0.99991.

关 键 词：维C银翘片 紫外分光光度法 维生素C 测定 

分 类 号：O657.3[理学—分析化学]