KR20220025734A - 226Ra 함유 용액의 정제 방법, 226Ra 타깃의 제조 방법, 및 225Ac의 제조 방법 - Google Patents
226Ra 함유 용액의 정제 방법, 226Ra 타깃의 제조 방법, 및 225Ac의 제조 방법 Download PDFInfo
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Abstract
Description
Claims (12)
- 226Ra 함유 용액(a)을 2가 양이온을 선택적으로 흡착하는 기능을 갖는 담체에 알칼리 조건하에서 접촉시켜서 226Ra 이온을 상기 담체에 흡착시키는 흡착 공정(R1)과,
산성 조건하에서 상기 담체로부터 226Ra 이온을 용리시키는 용리 공정(R2)을 포함하는 226Ra 함유 용액의 정제 방법. - 제 1 항에 있어서,
상기 담체가 2가의 양이온 교환기를 갖는 226Ra 함유 용액의 정제 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 담체가 이미노디아세트산기를 포함하는 226Ra 함유 용액의 정제 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 용리 공정(R2)에서 용리된 226Ra 이온을 함유하는 용액을 음이온 교환 수지에 통액하는 음이온 교환 공정(R3)을 더 포함하는 226Ra 함유 용액의 정제 방법. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
상기 226Ra 함유 용액(a)이 가속기를 사용하여 하전 입자, 광자, 및 중성자로부터 선택되는 적어도 1종을 조사한 226Ra 타깃을 용해한 용해액으로부터 225Ac 성분을 분리한 후의 용액인 226Ra 함유 용액의 정제 방법. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 담체가 튜브에 충전되어 있는 226Ra 함유 용액의 정제 방법. - 제 1 항 내지 제 6 항 중 어느 한 항에 기재된 정제 방법에 의해 얻어진 정제 226Ra 함유 용액(b)을 사용하여 전착액을 조제하는 전착액 조제 공정(R4)과,
상기 전착액을 사용하여 226Ra 함유 물질을 기재에 전착시키는 전착 공정(R5)을 포함하는 226Ra 타깃의 제조 방법. - 제 7 항에 있어서,
상기 전착 공정(R5)을 거친 226Ra 함유 용액(c)을 2가 양이온을 선택적으로 흡착하는 기능을 갖는 담체에 알칼리 조건하에서 접촉시켜서 226Ra 이온을 상기 담체에 흡착시키는 흡착 공정(R6)과,
산성 조건하에서 상기 담체로부터 226Ra 이온을 용리시키는 용리 공정(R7)을 포함하는 정제 방법을 더 포함하고,
상기 정제 방법에 의해 얻어진 정제 226Ra 함유 용액(d)을 상기 정제 226Ra 함유 용액(b)과 혼합하고, 상기 전착액 조제 공정(R4)에서 전착액을 조제하는 226Ra 타깃의 제조 방법. - 제 8 항에 있어서,
상기 용리 공정(R7)에서 용리된 226Ra 이온을 함유하는 용액을 음이온 교환 수지에 통액하는 음이온 교환 공정(R8)을 더 포함하는 226Ra 타깃의 제조 방법. - 제 7 항 내지 제 9 항 중 어느 한 항에 기재된 제조 방법에 의해 제조된 226Ra 타깃에 가속기를 사용하여 하전 입자, 광자, 및 중성자로부터 선택되는 적어도 1종을 조사해서 225Ac를 생성하는 조사 공정(A1)을 포함하는 225Ac의 제조 방법.
- 제 10 항에 있어서,
상기 조사 공정(A1)에서 조사된 226Ra 타깃을 용해하는 용해 공정(A2)과,
상기 용해 공정(A2)에서 얻어진 용해액을 알칼리화함으로써 콜로이드화한 225Ac 성분을 분리하는 분리 공정(A3)을 더 포함하는 225Ac의 제조 방법. - 2가 양이온을 선택적으로 흡착하는 기능을 갖는 담체 또는 음이온 교환 수지가 충전되어 있으며, 226Ra 함유 용액을 정제하기 위해서 사용되는 튜브.
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KR20230129419A (ko) * | 2021-01-08 | 2023-09-08 | 니혼 메디피직스 가부시키가이샤 | Ra-226의 회수 방법, Ra-226 용액의 제조 방법 및 Ac-225용액의 제조 방법 |
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