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同位素  2015 

氧-18水批量回收纯化处理工艺

DOI: 10.7538/tws.2015.28.03.0160, PP. 160-166

Keywords: 18O-H2O,氧-18水,回收,低温蒸馏,紫外杀菌

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Abstract:

建立了一套18O-H2O回收水批量回收纯化处理工艺。该工艺对18O-H2O回收水中的杂质进行了分析,通过紫外杀菌,无菌滤膜过滤除去了菌类和细菌内毒素,通过三次低温蒸馏或C-18柱-二次低温蒸馏除去了可溶性无机和有机杂质,同时保证了同位素丰度符合要求,使18O-H2O各项指标达到了加速器药物生产要求,并可达到较高的打靶和合成效率。该工艺的建立可以充分利用一次打靶后的18O-H2O回收水,大幅度降低了成本,资源利用更加合理,高效。

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