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。
2
A highly sensitive chromatographic system is desirable particularly for monitoring analyte present in trace concentrations within samples.
高灵敏的层析系统是一个理想的系统，特别对监测存在于样本追踪浓度的分析物。
3
A flow injection on line extraction chromatographic separation and preconcentration system is proposed for the determination of trace palladium by flame atomic absorption spectrometry (FAAS).