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solid phrase extraction
相关语句
  固相萃取
     Plasma was extracted by a C 2 solid phrase extraction (SPE). Diamonsil ODS(4.6 mm×250 mm,5 μm)was as an analytical column and acetonitrile:water(52∶48,V/V) was the mobile phase. The wavelength of detection was 238nm.
     方法 选择固相萃取柱(Bond Elut,C2 )提取样品,在DiamonsilODS(4.6mm×2 5 0mm ,5 μm)分离柱上,以尼莫地平为内标,乙腈-水(5 2∶4 8,V/V)为流动相,紫外吸收波长2 38nm处检测样品。
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  相似匹配句对
     On Solid Biomechanics
     关于生物固体力学
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     Solid Lasers
     固体激光器
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     On Phrase Repetition
     重叠短语新论
短句来源
     Mini Phrase
     迷你惯用句
短句来源
     The Research of No-Solid Phrase Polymer Fluid for Diaphragm Wall
     无固相聚合物地下连续墙稳定液的研制
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AIM To develop a method for determining of nifedipine in human plasma by HPLC. METHODS Nimodipine was used as internal standard.Plasma was extracted by a C 2 solid phrase extraction (SPE).Diamonsil ODS(4.6 mm×250 mm,5 μm)was as an analytical column and acetonitrile:water(52∶48,V/V) was the mobile phase.The wavelength of detection was 238nm. RESULTS The concentration range of standard curve was 2-60 μg·L -1 (r=0.999 8,n=6).Recoveries of this method were almost 100%.The intra-day variance and inter-day...

AIM To develop a method for determining of nifedipine in human plasma by HPLC. METHODS Nimodipine was used as internal standard.Plasma was extracted by a C 2 solid phrase extraction (SPE).Diamonsil ODS(4.6 mm×250 mm,5 μm)was as an analytical column and acetonitrile:water(52∶48,V/V) was the mobile phase.The wavelength of detection was 238nm. RESULTS The concentration range of standard curve was 2-60 μg·L -1 (r=0.999 8,n=6).Recoveries of this method were almost 100%.The intra-day variance and inter-day variance were<5%. CONCLUSION Compared to the former determination method,this one improved the sensitivity of determining of nifedipine in human plasma.

目的 本文采用固相萃取-高效液相色谱法测定人体血浆中硝苯地平浓度。方法 选择固相萃取柱(Bond Elut,C2 )提取样品,在DiamonsilODS(4.6mm×2 5 0mm ,5 μm)分离柱上,以尼莫地平为内标,乙腈-水(5 2∶4 8,V/V)为流动相,紫外吸收波长2 38nm处检测样品。结果 硝苯地平血浆样品在2~6 0 μg·L-1范围内线性关系良好(r=0 .9998,n =6 ) ,方法回收率接近10 0 % ,日内、日间RSD均<5 %。结论 与以往的分析方法相比,本方法提高了检测硝苯地平血浆浓度的灵敏度

 
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