柱色谱分离

姜黄色素的简易提取与柱色谱分离研究

Study on Easy Extraction and Column Chromatography Separation of Turmeric Pigments

线性柱色谱分离过程的递推方程

State Recursion Equations in Linear Column Chromatography Separation Processes

C（60）衍生物的柱色谱分离法的研究

Study on column chromatography for separation of C_ ( 60 ) derivatives

超临界CO2萃取-柱色谱分离联用制备冬凌草甲素新工艺的研究

New method for preparing oridonin by supercritical CO_2 fluid extraction and column chromatography

经硫酸铰盐析、柱色谱分离得到纯化的鸡胆汁免疫球蛋白A（IgA）。

Ammonium sulfate salting out and column chromatogra-phy were used to separate and purify IgA in chicken bile .

经硫酸铵盐析沉淀、柱色谱分离纯化得到鸡血清IgG。

Immunoglobulin G ( IgG ) in chicken serum was separated and purified by salting-out of ammonium sulfate and column chromatography .

高纯氧化钆中14种稀土杂质元素的柱色谱分离ICP-AES法测定

Determination of 14 Rare Earth Impurities Elements in High Purity Gadolinia by Column Chromatography Inductively Coupled Plasma Atomic Emission Spectrometry

方法：乙醚提取，硅胶及ODS柱色谱分离；

Method : The constituents were extracted by ether and isolated by chromatography on silica gel and ODS .

方法硅胶、LH20柱色谱分离，通过IR、NMR及MS光谱分析法确定结构。

Methods The compounds were isolated by using the column chromatography on silica gel and LH 20 . The structures were identified by IR , 1H NMR , 13 C NMR and MS spectra respectively .

几种矿物酸为流动相对HEH（EHP）萃取柱色谱分离稀土的影响

Influence of Using Several Mineral Acids as Mobile Phases on Separation of Rare Earths with Extraction-Chromatographic Method

葡聚糖凝胶SephadexLH-20柱色谱分离后，经抗菌活性检测发现两个活性峰，其中第2个峰对金黄色葡萄球菌和大肠杆菌的抑菌活性较强。

On the basis of separation of the Sephadex LH-20 , two peaks with antibacterial activity appeared , and the second peak showed the stronger inhibition activity against S.aureus and E.coli .

样品中游离氨基酸和KNO3含量分别为42.30mg/100g和3.0%，用柱色谱分离鉴定了十八烷、软脂酸、β-谷甾醇、p-香豆酸和KNO3。

The dissociated amino acids and KNO3 in the sample amounted to 43.30mg/100g and 3.0 % . Five compounds were isolated and elucidated as octadecane , hexadecylic acid , β - sitosterol , p-coumaric acid and potasium nitrate .

比较了GD-3、GD-4和GD-10三种吸附树脂对芦荟提取物的分离效果，确定了以GD-10大孔吸附树脂为固定相，梯度浓度乙醇溶液为流动相的低压柱色谱分离模式。

In this paper , we compare the separation effects of resin GD-3 , GD-4 and GD-10 on aloe ethanol extract . Macroporous resin GD-10 is employed as a stationary phase . And gradient elution with ethanol aqueous solution is employed as a mobile phase .

柱色谱分离提纯蔗糖-6-乙酸酯

Purifying Sucrose - 6 - Acetate by Column Chromatography

二苯并-18-冠-6-甲醛聚合物柱色谱分离富集化学发光法测定痕量金

Separation and Enrichment of Trace Gold by Column Chromatography with Poly-dibenzo-18-crown-6-aldehyde and Determination by Chemiluminescence

柱色谱分离蔗糖酰化产物中蔗糖-6-乙酸酯的研究

Separation of sucrose - 6 - acetate from acetylation product of sucrose by the column chromatography

目的采用聚酰胺柱色谱分离纯化紫锥菊提取物中菊苣酸。

Isolation and purification of cichoric acid from extracts of Echinacea purpurea by polyamide column chromatography ;

硅胶柱色谱分离纯化生物发酵液中叶酸的研究

Studies on Separation and Purification of Folic Acid from Biologically Fermented Broth by Silica Gel Column Chromatography

多维液相柱色谱分离分析复杂样品越来越受到重视。

The analysis and separation of complex samples by multidimensional liquid column chromatography are paid much attention .

通过聚酰胺柱色谱分离后，黄酮的含量可以达到90.26%。

Through the separation of polyamid chromatograph the content of licorice flavonoids can reach up to 90.26 % .

用低交换容量聚苯乙烯型强酸性阳离子交换树脂柱色谱分离中性氨基酸

Separation of Neutral Amino Acids on Columns Packed with Polystyrene-Based Strongly Acidic Cation Exchange Resins with Low Ion Exchange Capacity

主要研究内容如下：1.将低压柱色谱分离技术用于α-生育酚，γ-生育酚和δ-生育酚单体的分离纯化工作。

The main contents studied are as follows : 1 . The individual tocopherols is separated by using low-pressure column chromatography .

对95%乙醇组分进行硅胶柱色谱分离，并进行化感活性追踪。

For the 95 % ethanol component , separated it by a silica gel chromatography , and tracking its allelopathy activity .

方法：柱色谱分离化合物，光谱分析和对照品比较鉴定结构。

Method : Compounds were isolated by column chromatography and elucidated on the basis of spectroscopic analysis and comparison of references .

然后采用柱色谱分离纯化与抑菌活性测定跟踪相结合的研究方法来筛选活性成分。

We selected the active components from V. yedoensis Makino by column chromatography on silica gel , accompanied with the antibacterial activity tests .

方法用柱色谱分离，用理化性质及波谱方法鉴定结构。

Method The constituents were isolated and purified by column chromatography , and their structures were identified on the basis of spectral analysis .

论文研究了合成工艺的改进，获得了成功，经过三步反应，其中不需要通过柱色谱分离得到产品，总收率为25.30%。

The new process included three steps in which no column chromatography was used , the total yield has been increased to 25.30 % .

整个反应革除了用柱色谱分离而直接得到产物。结论酚醚化反应收率为98%，比文献报道提高了10%以上。

Conclusion The experimental results showed that the yield ( 98 % ) of etherization was 10 % more than that reported in the literature .

方法通过反复柱色谱分离和重结晶纯化，并利用核磁共振波谱技术进行结构鉴定。

Method The compounds were isolated by column chromatography and purified by recrystallization and the structures were identified by NMR spectral data and other methods .

方法：采用硅胶柱色谱分离及重结晶的方法从胡柚皮中分离化合物，并根据理化性质和波谱数据进行化合物的结构鉴定。

Methods : Various chromatographic techniques were used to isolate and purify the constituents , their physical-chemical properties and spectral data determined to elucidate the structures .