色谱纯

流动相：乙腈（色谱纯）：超纯水，检测器：RID示差检测器，柱温：35℃，流速：1.0mL/min。

Mobile phase was acetonitrile ( HPLC grade ) and ultrapure water and column temperature was 35 ℃, using differential detector .

梯度级色谱纯乙腈的产业化制备工艺研究

Study on the Preparation of Acetonitrile of Gradient Grade for HPLC

一级色谱纯乙腈的中试研究

The pilot study of the first chromatogram class acetonitrile

色谱纯乙腈的性能和质量评价

Evaluation of Performance and Quality of Chromatographic Grade Acetonitrile

本文主要介绍一级色谱纯乙腈的中试研究。

This paper mainly introduces the pilot study of the first chromatogram class acetonitrile .

获得了色谱纯的化合物。

The chromatographically pure compound was obtained .

利用紫外分光光度计和高效液相色谱仪建立了色谱纯乙腈的性能和质量的评价方法。

A evaluation method for the performances and quality of chromatographic grade acetonitrile with ultraviolet spectrophotometry and high performance liquid chromatography is presented .

方法以氯乙酸为起始原料，依次与氯化亚砜、胺、三苯膦反应制得季磷盐，再与邻苯二甲酸酐经Wittig反应制得目标化合物，硅胶柱色谱得纯品。

Methods Chloroacetic acid was treated with thionyl chloride , amines and triphenylphosphine to provide quaternary phosphonium salts , which were treated with phthalic anhydride to get the target compounds by the Wittig reaction . The pure products were obtained by silica gel column chromatography .

高频氩放电离子气相色谱在高纯氩气分析中的应用

Analysis of High Purity Argon by High Frequency Argon Discharge Gas Chromatograph

离心薄层色谱法提取纯大豆磷脂酰胆碱的研究

Extraction of pure soybean lecithin by centrifugal TLC

离子色谱法测定高纯Eu2O3中的微量Cu和Ni

Determination of Cu and Ni in High Purity Eu_2O_3 by Ion Chromatography

以单克隆抗体亲和层析和逆向高效液相色谱技术制取高纯猪促卵泡激素（pFSH）样品。

The high purity sample of porcine follicle stimulating hormone ( pFSH ) was prepared with the immune affinity chromatography of monoclonal antibody and the reversed phase HPLC .

分别采用5种不同极性的溶剂中水作外标，测定了峰面积校正因子和峰高校正因子，考察了对气相色谱法测定高纯N2和H2中水分含量的影响。

By using water in five kinds of different polarity solvents as external standard , the correcting facters of peak height and peak area were determined , and the influence on determining the content of water in high purity of N 2 and H 2 by gas chromatogram was investigated .

阀切换-离子色谱法测定高纯硼酸中的痕量阴离子

Determination of trace anions in high purity boric acid by valve-switching-ion chromatography

离子色谱法测定高纯镁砂中痕量无机阴离子

Determination of Inorganic Anions in High-purity MgO Powder Samples by Ion Chromatography

气相色谱法分析高纯二氧化碳中总烃

Analysis of Total Hydrocarbons in High Purity Carbon Dioxide by Gas Chromatography Method

气相色谱法分析高纯1-丁烯中的微量烃类杂质

Analysis of Hydrocarbon Impurities in 1-Butene by Gas Chromatography

离子色谱法测定高纯氯化锂中的微量杂质离子

Ion-chromatographic Determination of Lithium Chloride for Microamounts Impurity-elements

氦放电色谱法测定高纯氢中微量氧、氮杂质

The Determination of Trace Oxygen Nitrogen in High Purity Hydrogen by Means of Helium Discharge Chromatography

离子色谱法测定高纯硅溶胶成分标准物质中的钠、钾、钙、镁

Determination of sodium , potassium , calcium , magnesium in certified reference material of high-purity silicasol component by Ion Chromatography

以有机溶剂萃取制备的儿茶素粗品为材料，进行大孔吸附树脂柱色谱法制备高纯儿茶素（儿茶素含量≥95%）的研究。

By using the crude catechin products produced by organic solvent extraction as raw material , the feasibility of preparing the high content catechins ( content ≥ 95 % ) with macroporous adsorption resin by column chromatography was studied .

柱色谱法制备高纯大豆卵磷脂和脑磷脂研究5′-三磷酸胞苷（5′-CTP）作为核苷类衍生物在体内参与磷脂类（卵磷脂，脑磷脂，丝氨酸磷脂、鞘磷脂等）的生物合成过程。

Preparation of high purity soybean phosphatidylcholine ( PC ) and phosphatidylethanolamine ( PE ) with column chromatography 5 ' - Cytidine triphosphate is used to synthesize phosphatidate ( phosphatidylcholine , phosphatidylserine , phosphatidylserine , phosphatidylethanolamine and so on ) .

本文采用CL-P507萃淋树脂色谱法进行高纯氧化镨中稀土杂质元素的分离浓缩，浓缩倍数为1000倍，浓缩物用碳粉吸附法进行光谱测定。

The separation and concentration of rare-earths impurities in very pure praseodymium oxide have been carried out by chromatography with CL-P 507 containing resin . A concentrating factor was found to be 1000 . The enriched impurities was adsorbed onto carbon powder and followed by spectrographic determination .

叙述了用阴离子交换色谱和硅胶柱色谱分离褐煤蜡纯蜡中的游离酸、酯中酸、醇以及烷烃的方法。

The separation free fatty acids , acids in esters , alcohols and paraf-fins from pure waxes of Sulan ( Jilin Province ) and Xindian ( YunnanProvince ) montan wax by anion exchange and silica gel column chroma-tography is described .