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- 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。
- 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
- Silica gel adsorption HPLC 硅胶吸附HPLC
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- The handpiece cable is made from silica gel tube,soft and durable. 换能器尾线采用进口材料硅胶管,柔软耐用。
- All seals of this machine use the thermostable silica gel (food grade). 该机所有密封件均采用耐高温硅胶件(食品级)。
- There is no possibility to form silica gel in the hard-ened waterglass. 硬化的水玻璃实际上是失水的高模数水玻璃,不可能有硅凝胶生成。
- The specimen was extracted by the macroreticular resin and silica gel column. 样品经大孔树脂柱、硅胶柱分离,然后用TLC进行鉴定合并。
- You may reactivate the silica gel by desorbing the water through heating. 硅胶吸附水份后可通过脱附方式除掉水份而再生。