双波长薄层扫描法测定六合维生素丸中维生素B_2的含量

Determination VitaminB_2 of in Vitamins with Minerals Pills by TLCS

利用双波长薄层扫描法测定六合维生素中维生素B2的含量。确定扫描条件，ks439nm，λk,R640nm，维生素B2在6～18／μg线性关系很好，平均回收率99．81％，可作为复方制剂中维生素B2的含量测定方法。

To establish a method to determine Viamirfl3z in Vitamins With Minerals Pills by TLCS. Developer was chloroform-ethanol-acetic acid-water（60： 27 ： 10： 4）. Detection wavelength was 439nm and reference wavelength was 640nrn. The calibration curve was linear in the range of 6-18μg. The average recovery was 99.81%. This method can eliminate the interference of other components in pills, and is sensitive, simple and accurate for the determination of ViaminB2.