方法:索氏提取器多次回流提取。
方法用索氏提取器分别以水、乙醇为浸提介质。
Method By using extractor, water and ethanol were used as medium respectively.
方法用索氏提取器分别以水、乙醇为浸提介质。
Method By using Soxhlet extractor, water and ethanol were used as medium respectively.
本文研究了以香樟叶为原料,采用索氏提取器提取粗香樟油的最佳条件。
This present paper studied and selected the optimum conditions of LM to separate an.
方法:用浸渍提取法从洋虫中得到水提取物和乙醇提取物,用索氏提取器提取得到石油醚提取物。
Method: Water extracts and ethanol extracts were obtained by maceration method, while petroleum ether extract was obtained by soxhlet's extracter.
结果以甲醇为溶剂,用索氏提取器提取经大孔吸附树脂分离,提取效率最高(2 。0 0 % ) ;
Results The highest extract rate(2.00%) was got through the method of continuous distillation, then seperating different parts by adsorbent resin.
报道了合成乳酸丁酯的新方法 ,以乳酸和正丁醇为原料 ,在甲基磺酸催化下以亚硫酸镁为脱水剂 ,用索氏提取器进行回流合成。
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
报道了合成乳酸丁酯的新方法 ,以乳酸和正丁醇为原料 ,在甲基磺酸催化下以亚硫酸镁为脱水剂 ,用索氏提取器进行回流合成。
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
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