回流萃取

P-507回流萃取法富集镥的研究&Ⅰ.P-507萃取分离镱镥混合稀土的性能

Studies on Enrichment of Lutetium by Reflux Extraction with P-507 & I.The Extraction Behavior of P-507 in the Separation of Ytterbium and Lutetium

回流萃取理论及计算

The theory and calculation of reflux extraction

丁香精油的超临界CO2和溶剂回流萃取及其GC-MS分析

Clove Essential Oil Extracting by SFE-MD or Refluxing and Its GC-MS Analyzed

与常规的溶剂回流萃取工艺相比，超临界CO2萃取工艺的萃取时间短，有效成分含量高，后处理简单，萃取物颜色浅，并保留了原药材的自然香气。

Compared with the technology of traditional solvent extraction , SFE-CO2 of Fructus ligustri lucidi was proved to be efficient , simple and save the extraction time .

利用丙酮回流萃取，然后丙酮、乙酸乙酯组合萃取可以得到90%纯度的Daidzin产品；

The Daidzin was obtained with a purity of 90 % using acetone circumfluence extraction and the hybrid extraction of acetone and ethyl acetate .

为保证高沸点壬基酚聚氧乙烯醚加合物的回收率在95%以上，取90min作为回流萃取时间。

In order to assure that the recovery rate of adduct of nonyl phenol and polyvinyl ethyl chloride was more than 95 % , extraction time was 90 min.

自动回流萃取-MPT全谱仪测定航空润滑油中磨损金属的含量

Determination of Wear Metals in Aviation Lubricating Oil by Using a Simultaneous MPT Spectrometer with an Automatic Reflux Extraction System

通过和热回流萃取进行比较得知，在一定条件范围内，微波辅助方法更有利于花青素的萃取。

Comparied with heat reflux extraction method , microwave-assisted extraction method is beneficial to the anthocyanin extraction under certain condition ranges .

通过溶剂回流萃取及不同溶剂组合萃取实验确定了最佳的提取条件。

The optimal condition of extraction is obtained through the experiments of the circumfluence extraction with different solvents and hybrid solvents .

通过对水中壬基酚及其聚氧乙烯醚等的提取试验，发现回流萃取是提取水中半挥发性有机物的一种很有效的方法。

Ion experiment of nonyl phenol and polyvinyl ethyl chloride , the method of reflux extraction was founded to be a good way to abstract half volatile organic substance .

从难分离物质分离的基本原理出发，结合萃取技术的具体特点，推导出了回流萃取分离双组分（A+B）混合物的一系列计算公式。

On the basic separation principle of hardly separating materials , concerned with the practical conditions of the extractive technique , a series of calculation formulas are given for the separation of a mixture of double components ( A + B ) by reflux extraction .

方法：加热回流溶剂萃取，沉淀分离。

Methods : Heating reflux , solvent extraction and precipitating separation .

回流装置酸消化萃取比色法测定大蒜中锗

Colorimetric determination of germanium in garlic by acid digestion under reflux and extraction