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- solvent extraction column 溶剂萃取柱
- Three compounds were isolated from the overground part of the dried Equisetum hiemale L. by the methods of solvent extraction and silicagel column chromatography etc. 木贼(Equisetum hiemale L.;) 干燥地上部分,利用溶剂法、硅胶柱层析等分离手段,分离得到3种化合物。
- Volatile components were obtained from the stems and roots of Fibraurea recisa Pierre respectively by solvent extraction and eluted with petroleum ether on silica gel column. 通过溶剂法得到野生黄藤根和茎的挥发性成分,将该挥发性成分上硅胶柱,以石油醚完全洗脱,浓缩得浸膏;
- The used chain extender N,N-bis(2-hydroxypropyl) aniline was separated from polyurethane materials by dissolution,reduction,solvent extraction and column chromatographic analysis. 采用溶解、还原、溶剂萃取和柱层析从聚氨酯材料中分离出所用扩链剂N,N二(2羟丙基)苯胺。
- Holdups ofdispersedandgasphaseingas-agitated sieve plate extraction column. 气体喷射筛板萃取塔滞液率和气含率的研究。
- Effective separation of urushiol in raw lacquer has been carried out by both the solvent extraction and column chromatography,As a result of this,the purity of urushiol has risen from 78.8% to 98.6%. 通过溶剂萃取和柱层析对生漆中的漆酚进行了有效的分离,柱层析后的漆酚纯度由原生漆中的78.8%25提高到98.6%25。
- METHODS: The compounds were separated by solvent extraction, column chromatography and thin layer chromatography on silica gel and their structures were elucidated by spectroscopic means. 方法:采用溶剂萃取、柱层析和薄层层析方法分离目标化合物,并用波谱学方法完成化合物的结构分析与鉴定。
- Physiologically active compound SIPI-8917-I was isolated from the mycelia of fungi SIPI-8917 by acetone soaking, solvent extraction, silica gel column, LH20 column chromatography etc. 对SIPI-8917菌株的代谢产物进一步研究,应用丙酮浸泡、溶煤萃取、硅胶柱分离和LH20凝胶层析等方法,从其菌丝体中分离出SIPI-8917-I化合物。
- Methods: The compounds were isolated by solvent extraction,column chromatography on silica gel and ODS,and their strctures were elucidated on the base of chemical and spectral analyses. 方法:采用溶剂提取、硅胶柱色谱及ODS柱色谱进行分离纯化,通过化学和光谱分析鉴定化合物结构。
- Methods The petroleum ether extract fraction of Caragana microphylla Lam.was extracted by solvent extraction and isolated by the gel column chromatography. 方法用溶剂法提取,硅胶柱层析法分离得到化合物,通过理化鉴别和光谱法分析化学结构。
- Effective separation of umshiol in raw lacquer has been carried out by both the solvent extraction and column chromatography,As a result of this,the purity of urushiol has risen from 78.8% to 98.6%. 通过溶剂萃取和柱层析对生漆中的漆酚进行了有效的分离;柱层析后的漆酚纯度由原生漆中的78.;8%25提高到98
- MethodsThe petroleum ether extract fraction of Caragana microphylla Lam.was extracted by solvent extraction and isolated by the gel column chromatography. 方法用溶剂法提取,硅胶柱层析法分离得到化合物,通过理化鉴别和光谱法分析化学结构。
- Solvent extraction is accomplished by the addition of an immiscible solvent to the wastewater. 溶剂萃取是向废水中投加不溶于水的溶剂。
- HETS for rare earth separations in extraction columns [J]. 严纯华;廖春生;贾江涛;李标国.;氟碳铈镧矿稀土萃取分离
- Solvent Extractables in Petroleum Waxes, Method of Test for (05. 石蜡中溶剂性萃取物的试验方法(05。
- A simulation calculation was studied on an aromatics extraction column with so traysand 8 components using the nonequilibrium stage model. 以某芳烃联合装置中具有50块塔板、8个组分的大型抽出液塔为对象,采用非平衡级模型进行仿真计算。
- Flavone is extracted from Momordica grosvenori leaf.Flavone aglycones is abtained from hydrolyzation and purified by solvent extraction, column chromato-gramphy. 摘要以罗汉果叶为原料提取出黄酮,黄酮经水解、溶剂萃取、柱层析等手段,得到高纯度甙元;
- A study is made of separation of zinc from iron in waste sulfuric acid pickle liquor by solvent extraction. 对溶剂萃取分离镀锌酸洗废液中的锌、铁进行了研究。
- A analytical method for fatty acids profile of phospholipids in serum samples was developed by solid extraction column of silica gel-gas chromatography(SPE-GC). 以硅胶基质为固定相,建立了固相萃取-气相色谱(SPE-GC)分离检测血清总磷脂中脂肪酸含量的方法。
- The waxes are classed as alcohol or organic solvent extracted materials. 这种蜡质属于乙醇有机溶剂的萃取物。