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。
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。
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).
以三异辛胺萃淋树脂为微型柱固定相，采用流动注射在线预浓集与火焰原子吸收法联用技术，对微量钯的测定进行了研究。
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