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中文摘要：
以磺酸型大孔离子交换树脂D072为模板，设计合成了球形的多孔氧化铝，利用XRD、SEM和氮气吸附仪对其结构进行了表征．以这种球形多孔氧化铝作为分离材料，考察了其在非水体系中对银杏黄酮和银杏内酯的吸附选择性，在最佳分离条件下，制备了纯度为58．5％，且不含任何黄酮的银杏内酯．利用红外光谱法证明了吸附机理为配位吸附．
英文摘要：
A method for preparing porous alumina beads using a cation exchange resin with sulfonic acid groups as templates was reported. And the beads were characterized by using XRD, SEM and BET method . The adsorption selectivity of the beads towards flavonol glycosides and terpene laetones was discussed, and adsorption mechanism was investigated by F-FIR. The beads were used to separate terpene laetones from the extract of Ginkgo biloba leaves. And the purity of terpene laetones in the product was 58.5%, furthermore, there were no flavonol glycosides in it.
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