采用微量化学方法和固相萃取技术，建立了气相色谱法简单、快速、准确地测定荞头中甲胺磷农药残留量的方法。

A gas chromatographic method for the determination of methamidophos pesticide residues in the Allium Chinense was established by means of micro chemistry and solid phase extraction techniques.

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微量元素硫的分析方法有化学法和电化学法、色谱法、XPS等仪器方法。

The microanalytical method of elemental sulfur include chemical method and instrumental method such as Electrochemical analysis, Chromatography, XPS et.

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采用气相色谱法成功分离检测了乳酸发酵液中的微量乙醇。

GC was applied successfully to isolate and determine the trace ethanol in the lactic acid fermentation broth.

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