• 目的介绍一种快速选择评价高速逆流色谱溶剂体系方法。

    Objective: to introduce a new way, which facilitates the systematic search and evaluation of the solvent systems suitable for high-speed countercurrent chromatography (HSCCC).

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  • 对于原料药成药的色谱步骤具体要求包括吸附剂展开溶剂具体论中给出

    Specific requirements for chromatographic procedures for drug substances and dosage forms, including adsorbent and developing solvents, are given in the individual monographs.

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  • 摘要目的:建立一种气相色谱同时测定注射用青霉素中有机溶剂丁醇、乙酸乙酯、乙酸残留量的方法。

    To found a method to detect the residual solvents of penicillin sodium for injection: butanol acetic ether and butyl acetate.

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  • 研究拜尔法生产氢氧化铝过程溶剂浮选-气色谱测定结晶助剂有效成分硬脂酸方法

    A solvent flotation-gas chromatography for the determination of sodium stearate in sodium aluminate solution in aluminium hydroxide production by the bayer process was studied.

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  • 目的建立测定非洛地平原料药有机残留溶剂空气色谱

    Objective to determine organic solvent residual volume in felodipine raw material by headspace gas chromatography.

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  • 相比目前使用甲醇溶剂纯化收率30%,发现以丙酮乙酸、水的溶剂体系,精制洛韦收率显著提高83.3%,高效液相色谱(HPLC)分析,产品纯度达到99.0%以上。

    Ganciclovir could be purified to more than 99.0%(HPLC) by a combination of acetone, acetic acid and water in 83.3% recovery as compared with 30% one when using water or methanol as solvent.

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  • 目的:建立以空气色谱测定夫西地有机溶剂残留量的方法。

    OBJECTIVE: to determine organic solvent residual volume in fusidic acid by headspace gas chromatography.

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  • 分别采用硅胶色谱溶剂提,分离优质塑料抛光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.

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  • 建立快速溶剂萃取-气相色谱同时测定含脂羊毛47有机磷杀虫剂残留量方法。

    This study developed a method for simultaneous determination of 47 organophosphorous pesticides in greasy wool by accelerated solvent extraction (ASE) coupled with GC-NPD.

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  • 升高色谱温度不仅可以加快分析速度而且可以改善形,减少有机溶剂使用

    Under the high temperature, not only the analytical time can be shortened, but the peak symmetry can be improved and the use of organic solvent can be decreased as well.

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  • 目的研究极性有机溶剂辅助阳离子交换色谱串接组合纯化蛋白质可行性

    PurposeTo explore the possibility of combination of anion and cation exchange chromatography by using the polarity organic solvents in eluent.

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  • 前言:介绍色谱有关展开方式,展开操作展开溶剂;定位(色)。

    The paper introduces: development mode; Developing solvents; procedure of development and Location or visualization procedure for thin layer chromatography.

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  • 色谱流速、柱溶剂、进量等色谱条件选择,以及试样溶剂体积的选择进行了实验。

    The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.

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  • 它以纯有机溶剂作电色谱流动具有许多水溶液电色谱所不能比拟优点。

    There are many advantages which the ordinary CEC method doesnt have by using the pure organic solvent as mobile phase.

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  • 用气色谱测定溶剂丙烯腈含量

    To determine acrylonitrile content in solvent with gas chromatography.

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  • 目的建立工作场所空气二氯甲烷溶剂解吸气色谱测定方法

    To establish a gas chromatography method for solvent desorption of dichloromethane in the air of workplace.

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  • 凝胶色谱一种有着广阔应用前景硫氰酸溶剂净化技术

    Gel chromatography is an attractive technology to purify the sodium thiocyanate solvent of nitrilon industry.

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  • 大豆胚芽出油率为指标,石油脱脂溶剂通过因素正交试验对大豆胚芽索氏提取工艺进行了研究,并用气相色谱胚芽脂肪酸组成进行了分析。

    Through single factor and orthogonal experiments, extraction of oil from soybean embryo and its composition were studied by using petroleum ether as degrease solvent and GC, respectively.

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  • 采用溶剂萃取色谱法相结合工艺,豆油脚中制备肌醇磷脂,研究了不同洗脱剂对柱色谱分离脑磷脂和肌醇磷脂效果的影响。

    The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.

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  • 同时提出单糖进行硅醚化反应后适量加水简易后处理方法显著减少色谱测定时溶剂的“拖尾”,消除反应后产生沉淀

    An improved and simplified after-treatment procedure has been developed which serves to significantly reduce the'tailing'of the solvent peak and to eliminate the precipitate produced in the reaction.

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  • 目的建立工作场所空气中正丁基缩水甘油溶剂吸气色谱测定方法。

    To establish a solvent desorption gas chromatography for determining n-Butyl glycidyl ether in the air of workplaces.

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  • 目的建立毛细管色谱测定有机金属抗癌原料药二茂钛中的有机溶剂残留量

    OBJECTIVE to establish a capillary gas chromatography method for the determination of residual organic solvents in organometallic antitumor crude drug titanocene dichloride.

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  • 前言:目的:建立一种气相色谱同时测定注射用青霉素有机溶剂丁醇乙酸乙酯、乙酸残留量的方法。

    Objective: to found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.

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  • 采用高效液相色谱生物法对含水溶剂中泰乐菌有关组分效价的关系进行了探讨。

    In this paper, related components and biological value of tylosin in aqueous solution were measured by high performance liquid chromatography (HPLC) and microbiological assay.

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  • 葡萄有机溶剂梯度法酶法提取树脂初步纯化,薄层色谱分离纯化得到花青素单体体。

    The monomer and dimer of proanthocyanidins in grape seeds were obtained by gradient and enzymatic extraction, isolation with macroporous adsorption resin, and purification by TLC.

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  • 应用溶剂浮选羊霍提取中的淫羊霍苷进行分离富集,并用高效液相色谱测定淫羊霍苷的含量。

    A solvent floatation technique was applied for the separation and enrichment of icariin in extract from Epimedium and high performance liquid chromatography (HPLC) was applied to determining icariin.

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  • 方法采用溶剂提取层析色谱分离,根据化合物理化性质光谱数据鉴定其结构

    Method: Compound were isolated by solvent-extraction together with column chromatography and the structure were determined by spectroscopic analysis.

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  • 建立食用油脂浸出溶剂组成色谱分析方法

    A gas chromatographic method for analysis of hydrocarbons in edible oil extraction solvent was developed.

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  • 本文研究了高效凝胶色谱流速溶剂性能高分子降解影响,考察几种高聚物的降解情况。

    The effects of flow rate and solvent on the degradation of several polymers have been investigated by high performance GPC in this paper.

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  • 本文研究了高效凝胶色谱流速溶剂性能高分子降解影响,考察几种高聚物的降解情况。

    The effects of flow rate and solvent on the degradation of several polymers have been investigated by high performance GPC in this paper.

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