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- Keywords capillary packed column chromatography analysis phenyl-chlorosilane; 毛细管填充柱;色谱分析;苯基氯硅烷;
- packed column chromatography 填充柱色谱法
- The quantitative analysis of dihydrosafrole, by gas chromatography on 2% DEGS packed column and using biphenyl as internal standard, was introducced. 采用DEGS为固定液、联苯为内标物,用气相色谱法测定二氢黄樟油中二氢黄樟素的含量。
- Also,the preparation of PFIB standard,chromatography column(packed column and capillary column),detector are reviewed. 评述了PFIB气相色谱分析方法中PFIB标样的制备、色谱柱(填充柱和毛细管柱)和检测器;
- Using PEG-20M/Chromosorb WAW DMCS as a fixed phase, 3,5-xylidine and impurities would have been separated by gas chromatography on packed column. 采用PEG-20M和Chromosorb WAW DMCS栽体组成的固定相;在填充拄上分离了3;5-二甲基苯 胺及其异构体杂质.
- The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column. 以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝基苯的氟代产物进行了成功的分离和分析。
- Also, the preparation of PFIB standard, chromatography column (packed column and capillary column), detector are reviewed. 评述了PFIB气相色谱分析方法中PFIB标样的制备、色谱柱（填充柱和毛细管柱）和检测器；
- Galangin was obtained by on-step column chromatography of polyamide only once. 运用聚酰胺柱层析－次分离，获得有效成分高良姜素。
- METHODS GC was used with packed column and capillary column, respectively. 方法同一样品采用填充柱与毛细管柱分别测定。
- Its homogeneity was identified with Sepharose 6B column chromatography. 紫外光谱显示它不含蛋白质、多肽及核酸。
- In this paper, we extracted the antioxidative substance from Alpinia oxyphylla Miquel by using column chromatography. 摘要探讨了干柱层析法分离益智渣及益智乙醇提取物的抗氧化成分。
- 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。
- Determination of organophosporus pesticides residue in vegetable was performed by 10% OV-17 packed column coupled with FPD detector in this paper. 本文采用10%25OV-17不锈钢填充柱,FPD检测器,同时测定了蔬菜中7种有机磷农药残留量。
- METHODS CTX-d was fractionated and purified from Naja naja atra venom by column chromatography and RP-HPLC. 方法应用柱层析及RP-HPLC,从眼镜蛇毒粗毒中分离纯化细胞素素(CTX)。
- 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。
- Objective To separate flavonol and flavanonol by the column chromatography of polyamide. 目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化合物。
- A packed column GC method was proposed for direct analysis of N-eon-taining low carbon compounds at ppm levels in wastewater, with Chromosorb 103 and 101 as the stationary phase. 采用固定相为Chromosorb 103和101的气相色谱法,直接分析水中的低碳含氮化合物。
- To set up a sephadex column chromatography method for the determination of polymer impurity in cefotetan disodium. 目的建立葡聚糖凝胶色谱法测定头孢替坦二钠中聚合物的方法。
- According to the operation period and separation efficiency, the capillary column is suggested to replace the packed column for the detemination of borneo contents. 考虑到分析周期及分离效果,建议用毛细管柱取代传统的填充柱测定样品中冰片的含量。
- Results Pure flavonol and flavanonol were obtained by the column chromatography of polyamide. 结果运用聚酰胺柱色谱法一次分离得高纯度黄酮醇与二氢黄酮醇。
