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高效液相色谱法测定人血浆中硫酸头孢匹罗的浓度

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摘要 目的:建立测定人血浆中硫酸头孢匹罗浓度的高效液相色谱方法。方法:采用100μL7%高氯酸沉淀200μL血浆样品蛋白,高速离心后取上清液20μL进样分析。以Kromasil C18柱(4.6mm×250mm,5μm)为分析柱,50mmol.L-1磷酸二氢钠溶液-乙腈(87∶13)为流动相,流速为1.0mL.min-1,检测波长为270nm,盐酸可乐定为内标物。结果:硫酸头孢匹罗在0.312~160.0mg.L-1检测范围内呈良好线性关系(r=0.999 8),平均相对回收率为(102.0±1.2)%,平均绝对回收率为(75.1±1.3)%;日内差异≤3.3%,日间差异≤1.9%,稳定性良好。结论:该方法操作简便、灵敏、准确、稳定,适用于血浆硫酸头孢匹罗的测定。
出处 《中国医院药学杂志》 CAS CSCD 北大核心 2010年第21期1875-1877,共3页 Chinese Journal of Hospital Pharmacy
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