A bonded stationary phase for gas chromatography has been prepared by the thermal reaction between 405 white support and PEG 20m.
本文采用热反应键合法，将PEG - 20 M与405白色硅藻土载体进行热键合制备气相色谱键合固定相。
The performance of the modified and immobilized PEG 20M columns were evaluated chromatographically and their polarities were compared with the ordinary non-cross linked PEG-20M column.
改性并交联的PEG-20M柱的性能用色谱方法进行了评价并对此种柱与一般非交联的PEG-20M柱的极性作了比较。
In this paper, method of PEG-20M and OV-101 Stainless Capilliary Column on GC-MS is adopted to analyse and study the chemical components of essential oil of Litsea cubeba Pers. in Jiangxi province.
本文介绍用PEG - 20 M、OV - 101毛细管柱分离，以气相色谱与质谱联用检测的方法对我省山苍子精油的化学成分进行分析研究。
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