1) recrystalization-extration combined method
重结晶-溶剂萃取结合
2) recrystalization-extration method
重结晶-溶剂萃取法
3) extraction and recrystallization
萃取重结晶
1.
With 70% bergenin as raw material,extraction and recrystallization of bergenin by supercritial CO2 is carried out.
以70%的岩白菜素为原料,采用超临界CO2萃取重结晶岩白菜素,考察了甲醇、乙醇、丙酮和乙酸乙酯4种夹带剂对超临界CO2萃取重结晶岩白菜素的结晶率、纯度、形貌和IR图谱等的作用规律。
4) recrystallization solvent
重结晶溶剂
5) extraction and crystallization
萃取结晶
1.
Technology model with response surface methodology for supercritical CO_2 extraction and crystallization of andrographolide;
响应曲面法建立超临界CO_2萃取结晶穿心莲内酯工艺模型
2.
With the new technique of supercritical carbon dioxide extraction and crystallization, Andrographolide intermediate was used to investigate the effects of ethanol, acetone and ethyl acetate on the crystallization ratio, purity and crystal configuration on Andrographolide extraction and crystallization.
选择穿心莲内酯中间体为原料,采用超临界CO2萃取结晶法,比较研究了乙醇、丙酮与乙酸乙酯三种夹带剂对超临界CO2萃取结晶穿心莲内酯的结晶率、纯度和晶型的影响。
3.
According to limitation of supercritical CO2 extraction and effective components crystallization from natural products, the author put forward entrainers, coordination extraction, magnetic field, electric field, supersonic method and surface adsorption to enhance supercritical CO2 extraction and crystallization.
针对超临界CO2萃取结晶天然产物有效成分存在较大的局限性,本文总结了夹带剂法、配位剂法、磁场法、电场法、超声强化法、表面场法等强化措施以提高超临界CO2萃取结晶效果。
6) extractive crystallization
萃取结晶
1.
Study on experimentations and correlations of extractive crystallization at solane purification technology;
茄尼醇萃取结晶提纯的实验及关联研究
2.
Application status, development trend and relevant separation principle of present extractive crystallization technology in theseparation field of inorganicsaltsand organiccompoundswereindividually discussed.
分类讨论了目前萃取结晶技术在无机盐及有机物分离领域中的应用现状、发展趋势和相应的分离原理,概括得到萃取结晶的一般原理。
补充资料：重溶剂油
分子式：
分子量：
CAS号：
性质：三甲苯、四甲苯等的混合物。淡黄色液体。密度0.880~0.980。用作涂料溶剂和稀释剂以及用于提取各种三甲苯和四甲苯。将重苯分出古马隆树脂后而得。
分子量：
CAS号：
性质：三甲苯、四甲苯等的混合物。淡黄色液体。密度0.880~0.980。用作涂料溶剂和稀释剂以及用于提取各种三甲苯和四甲苯。将重苯分出古马隆树脂后而得。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条