| 摘要 |
Improved chromatographic separations are achieved with solid-liquid chromatography by employing particles of a specified particle size distribution, whereby the large to small size particle weight ratio is defined as having 70 to 90 parts of coarse particles, wherein at least 90 weight percent of the particles have diameters within 10 percent of the average diameter, and 10 to 30 parts of fine particles, the average diameter being 10 to 20 percent of the average diameter of the coarse particles, and having at least 50 weight percent of the particles within 50 percent of the average diameter of the fine particles.
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