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- Silica gel adsorption HPLC 硅胶吸附HPLC
- Methods Curcuma was lixiviated in 70% ethanol and extracted with light petroleum to remove aetherolea to get Curcuma ethanol extraction, and to get curcumin with silica gel adsorption method. 方法：将姜黄粉末用70%25乙醇提取，石油醚脱脂的方法制备出姜黄醇提取物，采用硅胶吸附的方法从姜黄醇提物中制备得到姜黄素。
- Novel Ti-doped silica gel adsorptive materials were prepared by treating ceramic fiber paper with the sequential impregnation of water glass and the aqueous solution of acidic titanium salt. 以陶瓷纤维纸为基材,依次经水玻璃、酸性钛盐溶液浸渍制得新型钛掺杂硅胶吸附材料。
- Methods:Silica gel tube adsorption and solvent desorption were used for sampling of methacrylic acid and analysis was performed by HPLC. 方法:以硅胶管采集空气中甲基丙烯酸,用甲醇解吸后高效液相色谱测定。
- testing method for aromatic hydrocarbons of petroleum products (silica gel adsorption method) 石油产品芳烃含量测定法（硅胶吸附试验方法）
- Study on the anticoagulation effect of gross safflor yellow prepared by silica gel adsorption 硅胶吸附法制备红花总黄色素抗凝血作用的实验研究
- Keywords colza oil deodorization distillate;natural VE;phytosterol;extraction;saponification;silica gel adsorption method; 菜籽油脱臭馏出物;天然VE;植物甾醇;萃取;皂化;硅胶吸附法;
- silica gel adsorption 硅胶吸附
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- The acetates of sterols were further separated by TLC with silver nitrate impregnated silica gel G and HPLC. 甾醇部分经乙酰化后，由气相色谱法分析，并采用硝酸银硅胶制备薄层色谱法和高效液相色谱法进一步分离。
- METHODS: Sesquiterpene lactones were separated by the silica gel column and layer preparation, and the active substances were determined by HPLC. 方法:以硅胶柱层析结合薄层制备的方法,分离白术内酯等对照品,以HPLC法测定白术中活性成分的含量。
- The adsorption isotherm of neptunium on silica gel corresponds to the form of Langmuir isotherm. 三种价态的镎的吸附规律符合Langmuir吸附等温线,镎在硅胶上的吸附属于单分子层吸附。
- The culture broths picked out as candidate were further isolated by using silica gel and preparative ODS HPLC to give compounds. 以阳性菌株作为候选株，培养得到的发酵液通过硅胶层析和HPLC制备，得到单一组份。
- Zirconium is adsorbed and separated by high adsorption activity silica gel in simulated HLLW. 用自制高吸附活性硅胶吸附分离模拟高放废液中的锆,并对吸附机理进行了分析。
- A reversed phase stationary phase of HPLC made by covering a porous copolymer of ethyl-styrene with divinylbenzene on the surface of silica gel is reported. 当代应用最广的HPLC固定相中,硅胶基质填料化学稳定性较低,并且由于残存硅羟基而表现所谓第二效应,特别使碱性化合物的峰形拖尾;
- The adsorption isotherm of benzene, naphthalene and phenanthrene from cyclohexane solution onto silica gel has been determined. 测定了硅胶自环己烷溶液中吸附苯、萘和菲的吸附等温线。
- Methods Pristimerin was isolated and purified by polyamide column chromatography and silica gel column chromatography,and the content of pristimerin was determined by HPLC. 方法南蛇藤根粉经丙酮冷浸提取后,采用聚酰胺柱层析及硅胶柱层析进行分离纯化;
- It was indicated that adsorption of benzoic acid by silica gel well fit the stoichiometric displacement mode for adsorption(SDM-A). 发现苯甲酸能非常好地服从计量置换吸附模型(SDM-A)。
- The equilibrium adsorption test results show that the hygroscopic capacity of new composite desiccant is two times bigger than that of silica gel. 实验结果显示与常用硅胶干燥剂相比，前者的吸湿能力约是后者的2倍以上。
- The purity of isoquercitrin was isolated with a silica gel column. 酶反应产物用硅胶柱层析法提取,可以得到高纯度的异槲皮甙。
