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DETERMINATION OF SODIUM VALPROATE IN SERUM BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY AFTER PRE-COLUMN DERIVATIZATION
Author(s): ZHOU Chunhua, ZHANG Zhiqing, LI Feigao, KANG Zekun, LI Jingxuan, ZHANG Xuening
Pages: 1422-
1425
Year: 2013
Issue:
11
Journal: JOURNAL OF HEBEI MEDICAL UNIVERSITY
Keyword: 丙戊酸; 色谱法; 高压液相; 血药浓度;
Abstract: 目的 建立柱前衍生-高效液相色谱法测定血清样品中丙戊酸钠的含量.方法 以Diamonsil C18(4.6×250mm 5μm)为色谱柱,流动相为甲醇-水(87:13,V/V),检测波长为245nm;流速为1.0mL/min;柱温25℃.样品酸化提取后经α-溴代苯乙酮衍生化后分析,环己烷羧酸为内标.结果 标准曲线线性相关系数R为0.999 3,线性范围15.0~180.0μg/mL,平均回收率为103.2%,日内、日间相对标准差均小于10%,最低检出浓度为0.3μg/mL.结论 该方法简便、准确,适合于临床血药浓度监测.
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