【摘要】 土壤中反硝化菌和固氮菌的作用强度与其产生的N₂O及C₂H₂还原成C₂H₄的量有一定关系。本文报导了为测定土壤中微量的N₂O、C₂H₂和C₂H₂数量,所建立的双柱双检测器一次进样同时测定的二维气相色谱法。此法能简单、快速、准确地反映出土壤中反硝化菌和固氮菌的作用强度。文中对仪器装置、色谱条件、样品处理、干扰物的消除、最小检测浓度、重复性、方法应用等进行了报导。更多还原

【Abstract】 In this paper,a simultaneous determination of trace amount of N₂O and C_H4/C₂H₂ produced by the denitrification and nitrogen fixation in soil by two dimensional gas chromatography of dual column and dual detector was presented. A simple, fast and accurate analytical method was developed. Instrumental installation, column, conditions, sample disposal, interfering component elimination, minimum detectable concentration, repeatability and applications cf the method were reported.更多还原