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。
The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.
采用溶剂萃取法和柱色谱法相结合的工艺，从大豆油脚中制备肌醇磷脂，研究了不同洗脱剂对柱色谱分离脑磷脂和肌醇磷脂效果的影响。
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。
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%。
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%）。
Organic chlorine using ethyl acetate - cyclohexane and gel purification column extraction purification, quartz capillary gas chromatography (ECD allocation) detection.
有机氯类用乙酸乙酯—环己烷和凝胶净化柱提取净化，石英毛细管气相色谱(配ecd检测器)检测。
The extraction was analyzed by HPLC, and was separated by column chromatography ulteriorly. The crystal was identified by IR spectrum, UV spectrum, NMR, et al.
将萃取所得产物用硅胶柱色谱进一步分离，用红外光谱，紫外光谱和核磁共振光谱等手段鉴定所得结晶。
METHODS The constituents of EtOH extraction from the whole plant of Saussurea involucrata were isolated and purified by repeated column chromatography.
方法对新疆雪莲全草乙醇提取物的各个萃取部位进行反复柱色谱，根据光谱数据和理化性质确定化合物结构。
Method: Isolation and purification of the trace constituents were carried out mainly by solvents extraction and macroporous adsorbing resin and silica gel column chromatography.
方法：用纯净水提取，溶剂萃取，大孔吸附树脂和硅胶柱色谱分离等方法分离并纯化亚麻根的微量成分，通过波谱分析鉴定化合物的结构。
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。
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。
Methods: A Solid Phase Extraction was used to purify the dissolved sample. The extracts were separated and detected by ion chromatography post-column derivation with ultraviolet detector.
方法：样品溶解后，采用固相萃取法去除大部分水溶性大分子，通过离子色谱分离，柱后衍生化-紫外检测器法测定溴酸盐。
Organic phosphorus by acetone extraction, gel column chromatography purification, HP-5 silica capillary column chromatography, flame-ray detector.
有机磷经丙酮提取，凝胶层析柱净化，HP - 5石英毛细管色谱柱分离，火焰光检测器检测。
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。
The optimum condition of the separation enrichment by column chromatography with activated charcoal and sodium sulfite strip and extraction of trace gold with TMK-isoamyl alcohol has been studied.
本文叙述了用活性炭色层柱分离、亚硫酸钠解吸、TMK -异戊醇萃取比色测定痕量金的方法。
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 best conditions to determine DNJ by capillary column gas chromatography was confirmed: samples was treated by ultrasonic wave for 30 minutes with Pyridine as extraction reagent.
最终确定用吡啶作为提取试剂在超声波条件下处理30分钟为毛细管气相色谱法测定dnj的最佳提取条件。
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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