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   solid-extraction 在 燃料化工 分类中 的翻译结果: 查询用时:0.501秒
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solid-extraction
相关语句
  固相萃取
    Rapid Determination of Phenols in Petroleum by Solid-Extraction with High Performance Liquid Chromatography
    固相萃取结合HPLC法快速测定石油中的微量酚
短句来源
    A new solid-extraction method of phenols in petroleum samples using Sep-Pak NH2 column was studied.
    运用Sep -PakNH2 (氨基填料 )小柱进行酚类化合物的固相萃取 ,并结合高效液相色谱技术 ,实现了对石油中酚类化合物的快速定性、定量分析。
短句来源
  固相萃取
    Rapid Determination of Phenols in Petroleum by Solid-Extraction with High Performance Liquid Chromatography
    固相萃取结合HPLC法快速测定石油中的微量酚
短句来源
    A new solid-extraction method of phenols in petroleum samples using Sep-Pak NH2 column was studied.
    运用Sep -PakNH2 (氨基填料 )小柱进行酚类化合物的固相萃取 ,并结合高效液相色谱技术 ,实现了对石油中酚类化合物的快速定性、定量分析。
短句来源
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  solid-extraction
The time consuming and laborious clean-up using liquid/liquid-extraction and two column-chromatographic steps was replaced by a one step liquid/solid-extraction, showing the same or even better performance in terms of recovery and reproducibility.
      


A new solid-extraction method of phenols in petroleum samples using Sep-Pak NH2 column was studied. The method can avoid the interference of hydrocarbons as isolated in reverse-phase HPLC with PDA detector,and improve the qualitative and quantitative analysis of phenols. For most phenols,the RSD% of HPLC results were smaller than 10%, the detection limits at 280nm were 0 02~0 04 μg/g.

运用Sep -PakNH2 (氨基填料 )小柱进行酚类化合物的固相萃取 ,并结合高效液相色谱技术 ,实现了对石油中酚类化合物的快速定性、定量分析。从试样分析结果可以看出 ,固相萃取方法解决了石油中微量酚的定量检测问题 ,具有较高的重现性 ,相对标准偏差小于 10 % ,各种酚的最低检测质量分数小于 0 0 4μg/g

A solid extraction/gas chromatography method was established for the determination of the contents of saturates and aromatics in diesel fraction prior to cutting the fraction from wide-boiling cuts.The suitable conditions of solid extraction,chromatographic separation,and the way of integration were obtained using the liquid resultant from a FCC pilot plant test.The classical column separation method was used to validate said method,and it was found that they were in good agreement,indicating said method provided...

A solid extraction/gas chromatography method was established for the determination of the contents of saturates and aromatics in diesel fraction prior to cutting the fraction from wide-boiling cuts.The suitable conditions of solid extraction,chromatographic separation,and the way of integration were obtained using the liquid resultant from a FCC pilot plant test.The classical column separation method was used to validate said method,and it was found that they were in good agreement,indicating said method provided good accuracy and repeatability.Since the amount of sample required for this method was minimum,it could be used to determine the contents of saturates and aromatics in the diesel fraction of liquid sample received by microactivity test.

建立了不经馏分切割、直接测定宽馏分混合油样中柴油馏分的饱和烃和芳烃含量的固相萃取/气相色谱方法。应用中型FCC装置反应产物确立了适用于宽馏分混合油样的固相萃取条件、色谱分离条件以及谱图处理方法,并采用经典柱分离法对该方法进行了验证。验证结果表明,该方法具有较好的准确性和重复性。由于该方法不受样品量少的限制,可以用于测定微反液体产物中柴油馏分饱和烃和芳烃含量。

 

 


 
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