A gas chromatographic method is introduced for the analysis of trace organic components in beer, including sampling, pretreatment and column.
介绍了一种啤酒痕量有机组分的气相色谱分析方法，包括取样、样品处理及色谱柱的选择。
The new method overcomes the limitations of established methods of IDMS in the quantitative analysis of trace gas.
该方法解决了已有同位素稀释质谱法在微量气体定量分析中的难题。
A method for analysis of trace organophosphorus pesticides in water with plant enzyme membrane extraction-gas chromatography has been developed.
建立了植物酶膜萃取气相色谱分析水体中痕量有机磷农药的方法。
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