Production of 191 Pt from an iridium target by vertical beam irradiation and simultaneous alkali fusion.

Autor: Obata H; Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan; Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan., Minegishi K; Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan., Nagatsu K; Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan. Electronic address: nagatsu.kotaro@qst.go.jp., Zhang MR; Department of Advanced Nuclear Medicine Sciences, National Institute of Radiological Sciences (NIRS), National Institutes for Quantum and Radiological Science and Technology (QST), 4-9-1 Anagawa, Inage, Chiba, 263-8555, Japan., Shinohara A; Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.
Jazyk: angličtina
Zdroj: Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine [Appl Radiat Isot] 2019 Jul; Vol. 149, pp. 31-37. Date of Electronic Publication: 2019 Apr 11.
DOI: 10.1016/j.apradiso.2019.04.007
Abstrakt: We have developed a new method for producing 191 Pt from an iridium target. Alkali fusion of iridium was successfully performed using a vertical beam irradiation method and a mixed target of Ir and Na 2 O 2 , which resulted in easy dissolution of the irradiated iridium target. A trace amount of Pt Ⅳ Cl 6 2- was isolated from bulk Ir Ⅳ Cl 6 2- by solvent extraction and anion exchange chromatography. The production yield of 191 Pt was 7.1 ± 0.4 (MBq/μA h, EOB) by proton irradiation at 30 MeV. The radioplatinum product (n.c.a.) was prepared at a radiochemical purity of 97% for Pt Ⅳ Cl 6 2- , and 95% for Pt Ⅱ Cl 4 2- , respectively.
(Copyright © 2019 The Authors. Published by Elsevier Ltd.. All rights reserved.)
Databáze: MEDLINE
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