Conventional organic sample preparation methods, such as liquid-liquid extraction and solid phase extraction, are time and solvent consuming, and often involve several complicated procedures.
传统的有机物样品分析前处理方法主要有液-液萃取、固相萃取等方法，这些方法具有耗时长、操作繁琐、且需要大量有机溶剂等缺点。
Now, in general, the produce of antibiotic is firstly extracted by clarification and solvent, and is separated from fermentation liquid and at last do the vacuum evaporation of the liquid extraction.
现代抗生素的生产一般首先是通过澄清和溶剂萃取从发酵液中加以分离，在对萃取液进行真空蒸发制得。
The effect of solid particle content in feeding liquid on phase disengagement and interfacial emulsion in copper solvent extraction is studied.
研究了铜溶剂萃取时，萃原液中固体微粒含量对分相和界面乳化的影响。
Ionic liquid is a kind of green solvent and as extraction medium could avoid environmental pollution of conventional hydrometallurgy due to volatilization of organic solvent.
离子液体是一种绿色溶剂，它作为萃取介质可避免传统湿法冶金因有机溶剂挥发产生的环境污染。
Methods The extraction of anthraquinone from rhubarb was performed by liquid-liquid continuous biphasic extraction and this method was compared with 3 general solvent methods.
方法采用自制装置双相水解连续萃取法提取蒽醌衍生物，并和常用的3种溶剂法对比。
Tea polyphenol is the major physiological active component in tea, and it is generally manufactured by liquid-liquid extraction technology, using ethyl acetate as solvent from water extract of tea.
茶多酚是茶叶中主要生理活性物质，其制造方法一般采用液-液萃取工艺，以醋酸乙酯为溶剂，从茶汤中萃取出茶多酚。
For solvent carotenoids extraction, the main affecting factors, such as solvent, grinding granularity, liquid-solid ratio, extracting times, temperature, and distilling time, were studied.
有机溶剂萃取研究中，对影响类胡萝卜素萃取率的各个因素，如提取溶剂、物料粒度、液料比、提取温度、提取次数、以及提取时间等分别进行了研究。
For solvent carotenoids extraction, the main affecting factors, such as solvent, grinding granularity, liquid-solid ratio, extracting times, temperature, and distilling time, were studied.
有机溶剂萃取研究中，对影响类胡萝卜素萃取率的各个因素，如提取溶剂、物料粒度、液料比、提取温度、提取次数、以及提取时间等分别进行了研究。
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