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- silica gel absorption column 硅胶柱
- 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 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。
- The crude oil is chromatographed over silica gel. 粗制油状物用硅胶进行色谱分离。
- 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。
- 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。
- Methods The compounds were isolated by silica gel column chromatography and identified by spec-tral analysis. 方法通过硅胶柱色谱法分离纯化化合物,谱学方法鉴定其结构。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离,得到无辣味的红色色素。
- Silica gel column chromatography was used to separate and purify total alkaloids from Fritillaria ussuriensis Maxim. 目的:对东北特产平贝母的生物碱进行分离纯化研究。
- 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;
- Silica gel column separation method and spectrophotography were used to determine the content of urson in the preparation. 采用硅胶柱分离分光光度法,对制剂中所含熊果酸成分进行含量测定,结果含量测定的标准品线性关系好,检测数据稳定。
- The cleanup methods were as follows:standard florisil column,short florisil column,cellulose larbon column and silica gel G column. 这些处理方法是标准硅酸镁载体柱法、短硅酸镁载体柱法、碳纤维载体柱法和硅胶G载体柱法。
- 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。
- Sampled acid coated silica gel be put in a self - designed reflux column,then the sampled material be stripped off and analyzed with gas chromatograph. 将采样后的涂酸硅胶置于自行设计的回流提取装置内解吸,采用色谱仪分析。
- In conclusion,the separation method of silica gel column chromatography applied in this experiment can be used to gain highly purified prod... 结论:采用的硅胶柱层析分离纯化可得到纯度较高的分离组分。
- In the heat exchanger E-502 A/B and E-503, the gas is cooled down against product streams and then fed into the absorption column C-501. 在E-502A/B和E-503型热交换器里,净化后的气体随之产生的气流逐渐冷却下来,被送入C-501吸收容器中。
- 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。
- SO2 in analog flue gas was first absorbed in aqueous sodium citrate solution in an absorption column and then recovered from the loaded solution in a desorption column. 模拟的烟气首先在吸收塔中用柠檬酸钠溶液脱硫,然后富液在解吸塔中释放出SO2,再生的缓冲液返回吸收塔循环使用。
- 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)。
- LI Yong-jun, SHI Zhao-peng.Extraction of tea aroma by absorption column method and SDE method[J].Journal of Hunan Agricultural University(Natural Sciences), 2001, 27(4): 295-299. [7]李拥军; 施兆鹏.;吸附法和SDE法提取茶叶香气的研究[J]