缓冲盐类型和离子对试剂非对离子对强离解酸性化合物离子对反相液相色谱保留行为的影响
刘小兰1,2, 高薇1, 梁超3, 乔俊琴1,*(
), 王康1, 练鸿振1,*()
), 王康1, 练鸿振1,*()
Effects of buffer salt types and non-counter ions of ion-pair reagents on the retention behavior of strongly ionized acid compounds in ion-pair reversed-phase liquid chromatography
LIU Xiaolan1,2, GAO Wei1, LIANG Chao3, QIAO Junqin1,*(), WANG Kang1, LIAN Hongzhen1,*()
), WANG Kang1, LIAN Hongzhen1,*()
图1. 不同缓冲盐体系下磺酸化合物的(a) log kw、(b) S以及(c) CHI
Fig. 1. (a) log kw (logarithm of retention factors of solutes when 100% aqueous phases were used as the mobile phase), (b) S (intercept of the linear solvent strength model) and (c) CHI (chromatographic hydrophobic index) values for sulfonic acid compounds with different buffer solutions
