• 快速筛选手性固定相和调节剂成功应用超临界流体色谱于制备过程的关键

    Rapid choosing the proper combination of chiral stationary phases and SFC solvent modifier plays a key role for using SFC successfully in preparatives

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  • 本文系统研究了温度压力改性剂浓度对生育异构体超临界流体色谱中分离效果影响。

    It was comprehensively studied that the effect of pressure, temperature and modifier concentration in the mobile phase on the capacity factor, selectivity and resolution of tocopherols.

    youdao

  • 克级超临界流体制备色谱自动控制数据处理

    Automatic control and data processing for preparative supercritical fluid chromatograph.

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  • 文章综述了番茄红素提取方法包括直接粉碎法、有机溶剂提法超临界流体萃取法、制备高压液相色谱酶反应

    In this paper, the ways of lycopene production was reviewed, including extract by chemicals, supercritical fluid extraction, HPLC, enzyme extraction, and so on.

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  • 应用超临界流体萃取色谱快速测定拟除虫菊酯残留量。

    The supercritical fluid extraction gas chromatography was used to determine quickly.

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  • 采用气相色谱-质谱联用技术(GC - MS)分析比较了超临界流体萃取法、水蒸气蒸馏法、索氏提取超声提取法所得提取物中的挥发性化学成分分别鉴定出37,45,27及37种化学成分。

    The volatile compounds of extracts obtained by SFE, steam distillation, soxhlet extraction and ultrasound extraction were analyzed by GC-MS. 37, 45, 27 and 37 compounds were identified respectively.

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  • 目的建立超临界流体萃取(SFE)技术毛细管气相色谱CGC)非在线联用技术,测定中成药腰痛片中的主要成分

    OBJECTIVE To establish a method based on the off-line coupling of SFE and CGC for quantitative analysis of the major components in anti-lumbago tablets.

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  • 目的建立超临界流体萃取(SFE)技术毛细管气相色谱CGC)非在线联用技术,测定中成药腰痛片中的主要成分

    OBJECTIVE To establish a method based on the off-line coupling of SFE and CGC for quantitative analysis of the major components in anti-lumbago tablets.

    youdao

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