Without HOAc additive, the retention factors of the amino alcohols were decreased with increase of the amount TEA, separation factors kept constant, except labetalol.

• 在不加冰醋酸的情况下，除拉贝洛尔外，随着三乙胺浓度的增加，容量因子均减少，分离因子基本不变，分离度减小。