摘要
气相色谱保留时间可用于有机物定性分析。测定了卤代烷、醇、硫醇和胺等有机物的气相色谱保留时间tR。将这些有机物沸点bp、沸点校正值Δbp、电离能Ip和氢原子所带部分电荷ΔNH 四个参数对其气相色谱相对保留时间的对数值ln(tR′)进行定量相关 ,得到表达式 :ln(tR′) =- 5 .2 113+0 .0 1786×bp +0 .0 10 34×Δbp - 0 .0 5 6 92×Ip - 2 .0 72 4×ΔNH 其相关系数R =0 .9944 ,标准误差s=0 .10 2 8。该方程较好地表达了标题化合物色谱保留时间的变化规律。
The GC retention time can be used to qualify some organic compounds. In this paper, the GC retention time tR for haloalkanes, alcohols, sulfur alcohols and amines were determined. Four parameters: boiling point bp , correct value of boiling point Δbp , ionization potential Ip and hydrogen atom fraction charge ΔN H of the above organic compounds were used to correlate with their logarithms of relative retention time ln( t R′ ) for the compounds, and the expression was obtained: ln( t R′ )=-5.2113+0.01786× bp +0.01034× Δbp -0.05692× Ip -2.0724× ΔN H its correlation R=0.9946, and its standard deviation s=0.1028. The equation can express well the change rule of the relative retention time for the title compounds.
出处
《湘潭师范学院学报（自然科学版）》
2003年第1期55-59,共5页
Journal of Xiangtan Normal University (Natural Science Edition)
基金
湖南省重点学科建设项目资助
关键词
相对保留时间
沸点
电离能
部分电荷
relative retention time
boiling point
ionization potential
fraction charge
