方法:采用溶剂分离法结合柱色谱法进行成分分离。
METHODS:To isolate the flavonoides and sitosterol derivants, the solvent extraction together with the column, chromatography and TLC methods were used.
采用薄层色谱法定性,以柱色谱法分离提纯三氯蔗糖。
Sucralose was purified by column chromatograph and determined by thin layer chromatograph.
方法:溶剂提取及各种柱色谱法分离,光谱技术鉴定结构。
Method: The compounds were extracted with solvents, isolated by various column chromatography and identified by spectroscopic methods.
方法:柱色谱法分离其成分,利用光谱数据确定其化学结构。
Methods: Column chromatography was used in the isolation procedure. The structures of isolated compounds were elucidated by spectral data.
方法:利用硅胶柱色谱法对化合物进行分离,运用波谱方法确定结构。
Methods: the compounds were isolated by silica gel column chromatography, and their structures were elucidated by spectral methods.
方法采用各种柱色谱法进行分离纯化,运用理化性质和波谱法进行结构鉴定。
Methods the compounds were isolated by column chromatographic methods, their structures were elucidated on the basis of physical properties and spectral analysis.
方法:溶剂提取和硅胶柱色谱法进行分离,理化性质和光谱数据鉴定其结构。
Method: Compounds were separated by solvent extraction and column chromatography with silica gel and structures were elucidated by chemical evidence and spectral analysis.
分别采用硅胶柱色谱法和溶剂抽提,分离优质塑料抛光膏中的油脂和磨料部分。
Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
方法利用硅胶柱色谱法对牛白藤进行分离纯化,根据理化性质和核磁共振谱数据鉴定其结构。
Methods the compounds were isolated and purified by repeated silica column chromatography and identified by their physical characteristics and nuclear magnetic resonance spectrum.
方法:硅胶柱色谱法,乙酸乙酯-石油醚梯度洗脱,自何首乌中提取分离二苯乙烯苷单体成分。
Methods: (1) to separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
方法:(1)以硅胶柱色谱法,乙酸乙酯-石油醚梯度洗脱,自何首乌中提取分离二苯乙烯苷单体成分。
Methods: (1)To separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.
方法采用柱色谱法分离,反相高效液相色谱法与细胞膜色谱法联用,并结合离体药理实验确定太白花中的有效成分。
METHOD S The effective component was determined by cell membrane chromatography and reversed phase high performance liquid chromatography. The pharmacological actions in vitro were testified.
采用溶剂提取和柱色谱法分离纯化市售大豆粉末磷脂(卵磷脂含量14.05%),得到高纯度的卵磷脂产品(纯度92.80%)。
Phosphatidylcholine of high purity(PC, content 92.80%) was prepared from market soybean power phospholipids(PC content 14.05%) by using solvent extraction and column chromatography.
方法采用RP HPLC法对荧光素钠注射液进行成分分析并用硅胶柱色谱法对主要杂质进行分离,根据质谱和核磁共振谱数据进行结构鉴定。
Methods The components were analyzed using RP-HPLC. The main impurities were separated using silica gel column chromatography, which were identified by MS and NMR.
柠檬桉老鹳草和香茅油精。香茅醇和香叶醇含量的测定。填充柱和毛细柱气相色谱法。
Oils of eucalyptus citriodora, geranium and citronella. determination of citronellol and geraniol content. gas chromatographic method on packed and capillary column.
在柱内衍生反应色谱法中,选择的分析对象为建筑材料中的甲醛测定。
In in-column derivatization reaction chromatography, the chosen analyte was the free formaldehyde in building materials.
采用高效液相色谱法,使用反相色谱柱和二极管阵列检测器测定吡·哒可湿性粉剂中吡虫啉和哒螨灵的含量。
Using reversed-phase chromatographic column and diode array detector, content of imidacloprid and pyridaben in their water soluble powder was measured with high effective liquid chromatography.
实验结果表明,柱后衍生高效液相色谱法适用于水产品中河豚毒素的检测。
From the results of above, detection of TTX in aquatic products by post column derivation HPLC is feasible.
采用氢火焰极性毛细管气相色谱法代替原来的填充柱法,测定空气和废气中的异丁醇。
Using the hydrogen flame polar capillary vessel gas phase chromatography to replace the original packing column method, isobutyl alcohol in waste gas was determined.
本文用ODS柱,以纯水为洗脱液,高效液相色谱法(HPLC)测定了大豆粉中的低聚糖。
In this paper, oligosaccharides in soybean flour were determined by HPLC on an ODS column, using pure water as eluent.
第四章:填充柱气相色谱法快速测定獾油中冰片含量。
In Chapter Four, Fast Analysis of Borneolum in HuanYou by Packed Column Gas Chromatography.
介绍了用双柱双氢火焰离子化检测器同时进样气相色谱法分析气体样品中非甲烷烃。
Non-methane hydrocarbons in the gas sample are analyzed simultaneously by GC with double columns and double FIDs.
本文采用高效液相色谱法,以甲醇:水(50:50)作为流动相,采用ODS-C18色谱柱,成功地测定了克·福种衣剂中有效成分含量。
Using HPLC reversed phase column(ODS-C18), methanol:water (50:50) as mobile phase, the contents of two active ingredients of Seed-coating of Kefu were determined successfully.
提出了柱前衍生高效液相色谱法检测工业合成牛磺酸及其中间产物2-氨基乙基硫酸酯。
This paper presents a method for separating and determining industrial synthetic taurine and intermediate product 2-aminoethyl sulfate by pre-column high performance liquid chromatography (HPLC).
以异丙醇为柱前衍生试剂,建立了反相高效液相色谱法间接测定2-乙酰氧基异丁酰溴的新方法。
A rapid reverse high performance liquid chromatography method based on the iso - propyl alcohol as an agent of pre-derivatization is developed for the determination of 2-acetoxyisobutyryl bromide.
本文介绍了用离子色谱法测定无机阴离子,对污染严重的水样通常采用预处理柱法。
The paper describes the pretreatment of the waste water by using ion chromatography to determine inorganic ions, and discuss the preparation and regeneration of the pre-processing column.
首次利用半制备柱采用高效液相色谱法分离制备了洋葱中两种主要的黄酮类化合物(纯度超过98%)。
Two main flavonoids in the onion were isolated and prepared by semi-preparative HPLC at the first time (purity more than 98%).
综述了凝胶渗透色谱法在重质油测定中的应用,并采用两支高效聚合物凝胶色谱柱代替传统的硅胶柱建立了分子量和馏程的评价系统。
The establishment of the gel permeation chromatography method for the the determination of molecular weight of high boiling petroleum was described in detail .
对于气相色谱法而言,典型差异是不同批号或供应商的色谱柱、温度、流速。
In the case of gas chromatography typical variations are different lots or suppliers of columns the temperature and the flow rate.
对于气相色谱法而言,典型差异是不同批号或供应商的色谱柱、温度、流速。
In the case of gas chromatography typical variations are different lots or suppliers of columns the temperature and the flow rate.
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