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

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刘小兰¹^,², 高薇¹, 梁超³, 乔俊琴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^,^*(

)

图2. 离子对试剂不同阴离子时磺酸化合物的(a) log k_w、 (b) S以及(c) CHI

Fig. 2. (a) log k_w, (b) S and (c) CHI values for sulfonic acid compounds with different ion-pair reagents
Br^-, $HSO 4 -$ , CH₃COO^-, $H 2$ $PO 4 -$ and $NO 3 -$ represent different quaternary ammonium ion-pair reagents (tetrabutylammonium bromide, tetrabutylammonium hydrogen sulfate, tetrabutyl ammonium acetate, tetrabutylammonium hydrogen phosphate and tetrabutylammonium nitrate, respectively).