样本用丙酮提取，加二氯甲烷萃取，通过中性氧化铝和活性炭混合柱层析净化，然后上气相色谱用NPD检测。
The procedure was described, including extraction by acetone and dichloromethane, cleaning up by passing through a column made up of neutral alumina and active carbon, determination by GC with NPD.
应用赭曲霉SIPI-4411的羟化酶系统对化合物坎利酮进行生物转化，通过溶剂萃取、硅胶柱层析，获得转化产物SIPI-CANR化合物的纯品。
Bio-transforming the canrenone with the enzyme system of Aspergillus ochraceus SIPI-4411; By solvent extraction and silica gel column chromatography, the compound SIPI-CANR was obtained.
确立了以有机溶剂提取海藻中的生长素，以乙醚萃取法和柱层析法对生长素进行分离纯化的方法。
The method of extracting the auxin in seaweeds with organic solvent, separating and purifying the auxin by ether extraction method and column chromatography has been established.
本文认为当固定相为液体或溶液时，反相纸层析与液液萃取一样属于分配机制。
When the stationary phase is a liquid or a solution partition mechanism governs the retention of reversed-phase paper chromatography just as in liquid-liquid extraction.
对沉积物样品的预处理中抽提、蒸发、柱层析、萃取等步骤条件进行优化。
The conditions of pre process such as extraction, evaporation, and column separation of sediment samples are optimized.
采用溶剂萃取法和上行硅胶柱层析法分离加兰他敏。
The solvent extraction and upstream silica gel column chromatography are combined to separate galanthamine.
综合利用吸附法、溶媒萃取法和硅胶柱层析法对抗生素进行了纯化。
Finally, the antibiotics were purified by adsorption, solvent extraction and silica gel column chromatography.
盐穗木全草乙醇提取物，经萃取、硅胶柱层析、薄层层析的方法分离提取，并结合药敏实验对其进行效价测定。
The ethanol extract was subumitted to chromatography on silica gel column to isolate some compounds. We tested the potency of halostashys components with sensitivity test.
图一不同萃取法萃取洋香瓜果实中挥发性化合物之气相层析图。
Fig. 1. GC chromatography of volatiles of fruits of muskmelon using different extractive methods.
图一不同萃取法萃取洋香瓜果实中挥发性化合物之气相层析图。
Fig. 1. GC chromatography of volatiles of fruits of muskmelon using different extractive methods.
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