column chromatography

1. Solanesol was isolated and purified from the extracts of potato leaves by column chromatography, and RP-HPLC method was established for determining the content of solanesol.
   通过柱色谱法从马铃薯叶的提取物中分离提纯了茄尼醇，并以RP-HPLC法测定了茄尼醇的质量分数。
2. METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used.
   方法：采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
3. Technique Study of Purifying Yolk Lecithin with Column Chromatography
   硅胶G柱层析法制备卵黄卵磷脂工艺的研究
4. Methods Using silica gel column chromatography for separation, TLC for tracking and detection, HPLC for purity detection of the products.
   方法采用硅胶柱色谱进行分离，薄层色谱跟踪检测，HPLC检测产品纯度。
5. Methods Silica gel column chromatography and HPLC were used to isolate and purify the compounds and NMR, ESI-MS, EI-MS, and circular dichroism spectrum was applied to elucidate their structures.
   方法用硅胶柱色谱、高效液相色谱、NMR、ESI-MS、EI-MS和圆二色光谱等各种波谱和光谱方法对该植物醋酸乙酯萃取部位的化学成分进行分离鉴定。
6. Extraction of Tanshinone ⅱ A from Salvia miltiorrhiza by Silica Gel Column Chromatography
   切割硅胶柱色谱法分离丹参中的丹参酮ⅡA
7. General rules for analytical methods of liquid column chromatography
   GB/T16631-1996柱液相色谱分析法通则
8. The inhibin plasmid DNA was extracted and purified by alkaline lysis method and DEAE-fiber column chromatography and its concn.
   采用碱裂解法与DEAE-纤维柱层析法提取与纯化抑制素质粒DNA，用分光光度法测定其浓度和纯度。
9. 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。
10. The separation and purification of pristinamycins from the fermentation broth by the method of silica gel column chromatography was developed.
    建立了对发酵液中的普那霉素进行分离纯化的硅胶柱层析方法。
11. Isolation and purification of cichoric acid from extracts of Echinacea purpurea by polyamide column chromatography;
    目的采用聚酰胺柱色谱分离纯化紫锥菊提取物中菊苣酸。
12. The effective components of Chinese Herbal Compounds Gallnut for fishery antimicrobial agent are separated and identified by thin-layer chromatography and column chromatography.
    对渔用抗菌剂复方五倍子有效成分进行薄层色谱与柱层析分离检测，以鉴定出复方中的各种有效成分；
13. Study on preparation process of high purity of epigallocatechin gallate ( EGCG) by column chromatography
    二次柱层析制备高纯度表没食子儿茶素没食子酸酯（EGCG）的工艺研究
14. A Study on the Effect of Methanol Residue on Separation of Ethyl α-linolenate by Urea Column Chromatography
    残留甲醇量对负载型尿素层析柱分离α-亚麻酸乙酯影响研究
15. The extract was cleaned up by liquid to liquid separation and column chromatography, then the sample was determined by gas chromatography with Electron Capture Detector ( ECD).
    提取液经液&液分配和柱层析净化，然后用气相色谱仪，电子捕获检测器测定。
16. Methods: The constituents were isolated and purified by using column chromatography with polyamide and appraised by thin-layer chromatography and Ultraviolet spectrometry.
    方法：先利用聚酰胺柱层析法分离，再用薄层色谱法和紫外光谱法进行鉴定，并以芦丁为标准品，采用紫外分光光度法进行含量测定。
17. Conclusion Chrysophanol and physcion could be effectively separated by silica gel column chromatography.
    结论硅胶柱色谱可以实现大黄酚和大黄素甲醚的高效分离；
18. Conclusion: Silica gel column chromatography and crystallization are simple and rapid methods to isolate gardenoside.
    结论：柱层析和重结晶方法是简单、速分离栀子苷的有效办法。
19. Results Galangin was obtained by on-step column chromatography of polyamide only once.
    结果运用聚酰胺柱层析－次分离，获得有效成分高良姜素。
20. Separation of soybean isoflavone aglycones by silica gel column chromatography
    硅胶柱层析法分离大豆异黄酮苷元的研究
21. The Study of Natural and Synthetical Phosphatidylethanolamine's Separation by the Silica Gel Column Chromatography
    硅胶柱层析分离天然及合成磷脂酰乙醇胺的研究
22. In this paper, silica gel column chromatography has been used to separate and purify folic acid from fermented broth. The chromatography method was studied and the suitable conditions were determined.
    采用硅胶柱色谱分离纯化生物发酵液中的叶酸，实验研究了色谱方法，确定了适的谱条件。
23. Pure TS99 could be obtained from pretreatment fermentation broth through macroreticular adsorbent, silica gel column chromatography and thin-layer chromatography.
    发酵液经过预处理后，依次用大孔树脂吸附，硅胶柱吸附层析和薄层层析等分离方法即可获得农用抗生素TS99纯品。
24. Study on the morphology and crystallization behavior of column chromatography polyamide
    层析聚酰胺树脂的微观形态和结晶性能研究
25. Combining the ion precipitation with column chromatography to prepare tea polyphenol was studied.
    研究了离子沉淀法和大孔吸附树脂层析法结合制备茶多酚的工艺。
26. The crude products were purified by neutral alumina column Chromatography with dichloromethane containing pyridine as eluent.
    用中性氧化铝柱层析法对粗产物进行分离提纯，用含一定量吡啶的二氯甲烷溶液作为洗脱剂。
27. Study on a new system of reversed phase extraction column chromatography for Au(ⅲ) and its application
    金（Ⅲ）的反相萃取柱色层新体系研究及应用
28. Effects of water content on simultaneous purification of PC and PE by alumina column chromatography;
    采用梯度洗脱及柱色谱法对竹叶中的有效活性成分重点为黄酮进行了分离研究、提纯。
29. Methods: Silica gel column chromatography and crystallization were used to obtained gardenoside from Gardenia jasminoides.
    方法：利用柱层析、结晶从山栀子的成熟果实中进行分离纯化栀子苷。
30. 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。

noun

1. chromatography that uses selective adsorption by a column of powders