Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
分别采用硅胶柱色谱法和溶剂抽提,分离优质塑料抛光膏中的油脂和磨料部分。
The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.
确立了以有机溶剂提取海藻中的生长素,以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
Bio-transforming the canrenone with the enzyme system of Aspergillus ochraceus SIPI-4411; By solvent extraction and silica gel column chromatography, the compound SIPI-CANR was obtained.
应用赭曲霉SIPI-4411的羟化酶系统对化合物坎利酮进行生物转化,通过溶剂萃取、硅胶柱层析,获得转化产物SIPI-CANR化合物的纯品。
Phosphatidylcholine of high purity(PC, content 92.80%) was prepared from market soybean power phospholipids(PC content 14.05%) by using solvent extraction and column chromatography.
采用溶剂提取和柱色谱法分离纯化市售大豆粉末磷脂(卵磷脂含量14.05%),得到高纯度的卵磷脂产品(纯度92.80%)。
The oxygen containing components are obtained from Gudong Crude oil of Shengli by solvent extraction and separated into acidic and other components chromatographically on silica gel column.
用溶剂萃取法从胜利孤东原油中萃取、浓缩出含有机酸的活性组分,用柱色谱分离成窄馏分并进行了波谱鉴定。
By solvent extraction, column chromatography, and crystallization, fexofenadine (96.3% purity) was obtained with yield 63.5%.
通过对发酵液进行溶媒抽提、柱层析、重结晶,得到纯品,收率达到63.5%,纯度96.3%。
Method: Compounds were separated by solvent extraction and column chromatography with silica gel and structures were elucidated by chemical evidence and spectral analysis.
方法:溶剂提取和硅胶柱色谱法进行分离,理化性质和光谱数据鉴定其结构。
Method: Compound were isolated by solvent-extraction together with column chromatography and the structure were determined by spectroscopic analysis.
方法:采用溶剂提取和柱层析色谱分离,根据化合物理化性质和光谱数据鉴定其结构。
Methods: to isolate the alkaloids, the solvent-extraction together with the column, chromatography and thin-layer chromatography methods were used.
方法:采用了溶媒分离法结合柱层析法、薄层层析法进行成分分离。
Finally, the antibiotics were purified by adsorption, solvent extraction and silica gel column chromatography.
综合利用吸附法、溶媒萃取法和硅胶柱层析法对抗生素进行了纯化。
METHODS:To isolate the flavonoides and sitosterol derivants, the solvent extraction together with the column, chromatography and TLC methods were used.
方法:采用溶剂分离法结合柱色谱法进行成分分离。
The solvent extraction and upstream silica gel column chromatography are combined to separate galanthamine.
采用溶剂萃取法和上行硅胶柱层析法分离加兰他敏。
The solvent extraction and upstream silica gel column chromatography are combined to separate galanthamine.
采用溶剂萃取法和上行硅胶柱层析法分离加兰他敏。
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