• The conditions for extraction and mobile phase were optimized.

    优化不同性质样品的提取条件及测定的流动相。

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  • The sample is transported through the column by the mobile phase.

    试样由移动相带着穿过色谱柱。

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  • The sample is transported through the column by the mobile phase .

    试样由移动相带着穿过色谱柱。

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  • The mobile phase consisted of sodium acetate solution, water and methanol.

    结果样品提取液与对照品存在相对应的牛磺酸色谱峰。

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  • In some cases, the sample may be diluted with mobile phase to improve the peakshape.

    在一些情况下,为了改善峰形,样品溶液可以用流动相稀释。

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  • Bonded stationary phase filler carried by silicon gel applies to pH2 ~ 8 mobile phase.

    以硅胶为栽体的键合固定相填充剂适用pH 2 ~8的流动相。

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  • With the different state phase and mobile phase, the separation of monosaccharide was researched.

    在不同的固定相和流动相条件下,对单糖的分离情况进行了分析。

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  • NH2 column was used with the mobile phase of 0.1% trifluoroacetic acid-acetonitrile by gradient elution.

    采用氨基色谱柱,流动相为0.1%三氟乙酸-乙腈(梯度洗脱)。

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  • The composition of mobile phase, flow rate and column temperature were optimized to get better resolution.

    考察了流动相组成、流速和柱温对分离度的影响。

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  • Additionally, enthalpy and entropy both contributed to enantioseparation when mobile phase was acetonitrile.

    流动相为纯乙腈时,焓和熵对对映体的拆分均有贡献。

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  • The detection wavelength, sample preparation and the optimization of mobile phase constitution were discussed.

    讨论了检测波长的选择和样品的制备,优化了流动相的组成。

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  • The composition of mobile phase has different influence on the elution range and ability to the two types of solutes.

    流动相组成对这两种类型溶质的洗脱范围及洗脱能力的影响不同。

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  • In adsorption chromatography, solute molecules of the mobile phase undergo many successive adsorptions and desorptions.

    在吸附色谱中,流动相的溶质分子进行多次连续的吸附和脱附。

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  • Objective: to establish an HPLC method for the resolution of metoprolol enantiomer using chiral mobile phase additives.

    目的:建立hplc手性流动相添加剂法拆分美托洛尔对映体的方法。

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  • Method:To study chromatogram peak and the result with the silica gel column and ODS column with different mobile phase;

    方法:分别用硅胶柱和ODS柱采用不同的流动相对色谱峰及测定结果进行考察。

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  • Radix Scutellariae was examined by Silca gel-G, the mobile phase was ethyl acetate-butanone-formic acid-water (5:3:1:1).

    黄芩:采用硅胶G板,以醋酸乙酯-丁酮-甲酸-水(5:3:1:1)为展开剂,显色剂为1%三氯化铁乙醇溶液。

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  • Methods Under linear scale up mode, overlapping separation range map was used to optimize the composition of mobile phase.

    方法在线性放大模式下,使用重叠分辨图法对流动相组成进行优化调节。

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  • NH2 column was used with the mobile phase of acetonitrile-water (75:25). The differential refractive index detector was used.

    采用氨基键合硅胶柱,以乙腈-水(75∶25)为流动相,使用示差折光检测器。

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  • The validity of the method is verified through the selection of optimal operating condition in binary and ternary mobile phase systems.

    通过对反相色谱二元和三元体系操作参数的优化选择,确证了方法的可靠性。

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  • Chloroform - tetrahydrofuran - water (500:500:8) was used as mobile phase for the gradient elution of other strongly retained substances.

    继用氯仿-四氢呋喃-水(500:500:8)为流动相,梯度洗脱其他强保留组分。

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  • The BHT in chewing gum was treated with ethyl acetate, then analyzed by high performance liquid chromatography with methanol as mobile phase.

    采用乙酸乙酯处理样品,甲醇作流动相,测定了口香糖中抗氧化剂BHT含量。

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  • METHODS: Fixing other conditions than the composition and ratio of the mobile phase, estimate the optimum according to the separation results.

    方法:固定其他色谱条件,改变流动相组成与配比,以分离结果的优劣优化流动相。

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  • Method: Same mobile phase and detection wavelength were selected and suitable precipitating agent was used. The HPLC conditions were optimized.

    方法:选择相同的流动相和检测波长,采用适当的沉淀剂,对四种添加剂的检测条件进行了优化。

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  • ConclusionUsing aqueous solution of KH2PO4 as mobile phase of reverse phase liquid chromatography, water was the suitable solvent to the extract.

    结论以KH2PO4水溶液为反相色谱法的流动相时,用水作为试样的溶剂较适宜。

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  • Study on HPLC method for analyzing of trace pigments in ready-to-drink tea was conducted by using different eluants with acetonitrile as mobile phase.

    以含乙腈的流动相作为洗脱剂,对茶饮料中微量色素物质的HPLC分析方法进行了研究。

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  • The main factors, including the selection of mobile phase and internal reference materials and effects of inject ion volume and matrix were investigated.

    讨论了流动相及内标的选择,进样量和空白基质的影响等。

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  • Meanwhile, the separation of fullerenes including 3% high fullerenes was investigated at the temperature of 348 K using pure toluene as the mobile phase.

    同时考察了以甲苯为流动相,在348K的柱温下,该固定相分离富勒烯混合物(含3%高富勒烯)的情况。

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  • Meanwhile, the separation of fullerenes including 3% high fullerenes was investigated at the temperature of 348 K using pure toluene as the mobile phase.

    同时考察了以甲苯为流动相,在348K的柱温下,该固定相分离富勒烯混合物(含3%高富勒烯)的情况。

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