column chromatography

METHODS: Separate seellera chamaejasmel by column chromatography and abstracting.

方法: 用萃取及柱层析方法分离瑞香狼毒成份.

Results Galangin was obtained step column chromatography of polyamide only once.

结果运用聚酰胺柱层析一次分离,获得有效成分高良姜素.

Determination on the Same Column for Mixed Formulation Contained EBT, Tetramethrin, Permethrin By Gas Chromatography

含EBT、胺菊脂及氯菊酯的杀虫混剂同柱气相色谱分析方法研究

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.

Analytical methods of phospholipids, TLC, column chromatography, HPLC and GC are introduced in this paper.

本文介绍了磷脂的各种分析方法, 主要是薄层色谱 、 柱色谱 、 高效液相色谱和气相色谱法.

A Study on Variable Factors of Effective Theoretical Plate Number and Column Efficiency in High Performance Liquid Chromatography

高效液相色谱中有效理论塔板数的变量因素和柱效率的研究

This provide the possibility of industrial manufacturing soybean lecithin by column chromatography.

为柱层析法工业化生产卵磷脂提供了实验依据.

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.

They were extracted and isolated by solvent and column chromatography.

用溶剂提取和柱层析法.

METHOD Curcumin was extracted from turmeric by ethanol, and separated from others with the column chromatography.

方法用醇提法从姜黄中提取姜黄素, 用柱色谱法把姜黄素从醇提物中与其它杂质分离.

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.

Determination of theophylline in dog plasma by high performance liquid chromatography with column switching

高效液相色谱柱切换法测定犬血浆中茶碱

Two kinds of buff powder were obtained by extracting, column chromatography, condensation and drying.

实验用扇贝和翡翠贻贝均为市售,两种贝类经提取, 过柱, 浓缩及干燥得到浅黄色粉末.

Trichloroethylene and tetrachloroethylene in environmental air were determined directly by gas chromatography, with taking 5% PEG-6000 as fixed liquid and 6201 as carrier, then to isolate by stuffing column and to detect by electron capture detector.

应用气相色谱法以5%PEG-6000为固定液、6201为担体填充柱分离，电子捕获检测器检测，直接进样测定环境空气中三氯乙烯和四氯乙烯。

Methods: The constituents were separated and purified by column chromatography normal phase silica gel and polyamide.

方法用色谱法分离化合物,根据理化性质和光谱数据鉴定结构.

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.

A Software for Simulation of the Process in Gas Chromatography Column and Optimization of Multi-Step Temperature Programming

气相色谱柱内过程模拟和条件优化软件

A new method for separating and purifying p-AAB ( p-aminoazobenzene ) by dry-column chromatography is developed.

提出了一种干柱层析法 分离提纯 试剂对氨基偶氮苯的新方法.

Purification of arachidonic acid from fungal single-cell oil by Al _ 2 O _ 3-supported CuCl column chromatography.

用负载型柱色谱( CuCl -Al_2O_3)分离纯化真菌油脂中的花生四烯酸.

The application pressure reducing column chromatography ( PRCC ) in the formulation of new pesticides has been studied.

研究了减压柱层析分离纯化方法在新药合成中的应用.