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A new internal standard for HPLC assay of conjugated linoleic acid in animal tissues and milk
sorbic acid internal standard CLA isomers HPLC photodiode array detection biological samples
2015/6/9
A new method for the quantification of underivatized conjugated linoleic acid (CLA) isomers and CLA-metabolites by silver ion liquid chromatography (Ag+-HPLC) with photodiode array detection (DAD) is ...
家兔血浆中克林霉素的HPLC/UV 检测
克林霉素 兔 血浆 反相高效液相色谱
2009/6/23
[ 目的] 采用HPLC/ UV 法检测家兔血浆中克林霉素。[ 方法] 血清样品经乙腈沉淀蛋白后, 用二氯甲烷提取。分析柱为C18 反相柱,
流动相为12 .5 mmol/ L 四丁基硫酸氢铵乙腈溶液- 磷酸盐缓冲液( 10 mmol/ L Na2HPO4 ,20 mmol / L KH2PO4 ,pH 值3 .50) ( 20/ 80) , 柱温40 ℃,流速1 ml / min 。[ 结果...