一、概 述 在有机化学、药物化学、生物化学、食品、染料、能源与环境化学等许多科学领域的研究工作中,经常遇到混合物分离问题,特别是难分离的组分用一般的分离方法很难得到满意的结果。目前,液相制备色谱法是 I. Overview In many scientific fields such as organic chemistry, medicinal chemistry, biochemistry, food, dye, energy and environmental chemistry, the problem of mixture separation is often encountered. In particular, the components that are difficult to separate are separated by general separation methods Hard to get satisfactory results. At present, liquid preparative chromatography is