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公开(公告)号：US20200290872A1
公开(公告)日：2020-09-17
申请号：US16770403
申请日：2018-12-07
Applicant: OSAKA UNIVERSITY
Inventor： Atsushi SHINOHARA , Atsushi TOYOSHIMA , Takashi YOSHIMURA , Akimitsu KANDA
Abstract: Provided is a method capable of separating and purifying astatine-211 in a high yield and dissolving same in a solution. A method for producing astatine-211, including a step of irradiating α ray to bismuth to produce astatine-211 in the bismuth, and a step of distilling the bismuth that received α ray irradiation with a carrier gas containing an inert gas, O2 and H2O to separate and purify astatine-211, and dissolving the astatine-211 in a solution.
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