The column is packed with adsorbent materials which selectively retard the components of the sample.
此柱内所装的各种吸附材料可以选择性地阻滞试样的各种组分。
2
Pure TS99 could be obtained from pretreatment fermentation broth through macroreticular adsorbent, silica gel column chromatography and thin-layer chromatography.