Wanyi Technology Liquid Phase Ghost Peak Capture ColumnHigh purity activated carbon filling, with a large specific surface area and strong adsorption capacity, can effectively remove non-polar and weakly polar impurities in the mobile phase, especially in the mobile phase with added buffer salts and acidic substances, reducing the occurrence of ghost peaks. Long service life, suitable for gradient elution in liquid chromatography, and widely used in the field of drug quality control.