得力于气相和液相色谱的进步,一种新的色谱技术,超临界流体色谱(SFC)异军突起,而各种柱技术又推动了这种技术的发展速度。在SFC中开管柱和填充柱都在使用,且各具特色。但除了单位柱长具有较大的压降、柱子使用长度受到限制外,填充柱显示出更多的优点。 微柱,即填充石英毛细管柱,内径小于1mm。它以弹性石英毛细管作为柱管,管内填充色谱填料。微柱的细内径和固有的高渗透性使其兼有填充柱和 Thanks to advances in gas and liquid chromatography, a new chromatographic technique has emerged that has seen the emergence of supercritical fluid chromatography (SFC), and various column technologies are driving the speed of this technology. Open and packed columns are used in SFC and have their own unique features. However, in addition to the unit column length has a larger pressure drop, the use of columns length is limited, the packed column shows more advantages. Micro-column, that is filled quartz capillary column, the inner diameter of less than 1mm. It uses flexible quartz capillary as column tube, the tube filled with chromatographic packing. The fine inner diameter of the microcolumn and the inherent high permeability make it both packed column and