摘要:建立一种快速测定洋金花中东莨菪碱含量的方法。采用SGE protecol C18(5μm,4.6×250mm)色谱柱,流动相为乙腈-0.07mol/L磷酸钠溶液(1:2,v/v),其中磷酸钠溶液含0.0175μmol/L十二烷基硫酸钠,用磷酸调pH值至6.0,检测波长为216nm,流速1.0mL/min,进样量20IxL。东莨菪碱在35~560g/mL范围内呈线性,相关系数R=0.9999,该方法目标物质保留时间短,且重复性、精密度、稳定性及回收率均符合要求。本方法用于测定洋金花中东莨菪碱的含量,具有简便、准确和高效等特点。
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