【摘要】 目的　目前关于AD钙盐中维生素A的含量分析的较好方法未见报道 ,国标及药典中维生素A的含量的测定方法较为烦琐 ,一般实验条件难以进行 ,本实验目的是选择简便易行的分析方法。方法　研究了应用溶剂萃取 ,用紫外分光光度法直接测定维生素A的含量的方法。结果　该方法的灵敏度高、线性关系好 (r =0 .996 8) ,平均回收率为 98.86 %。结论　该方法准确、可靠简便易行。适合于企业及一般实验条件 ,对AD钙盐中维生素A含量的检测和质量控制更多还原

【Abstract】 Objective: To introduce the method for the simple and convenient analysis of the content of vitamin A in AD calcium salt. Methods The application solvent extraction was stuied, and the content of vitamin A was directly measured with UV spectrophotometry. Results The sensitivity and the linear relation (r=0.9968) of the method were good. The average rate of recovery was 98.86%. Conlusion This method is accurate and reliable, which is very fit for enterprises and general experiment conditions.更多还原