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Title: Novel Cyclotron-Based Radiometal Production

Accomplishments: (1) Construction of prototype solution target for radiometal production; (2) Testing of prototype target for production of following isotopes: a. Zr-89. Investigation of Zr-89 production from Y-89 nitrate solution. i. Defined problems of gas evolution and salt precipitation. ii. Solved problem of precipitation by addition of nitric acid. iii. Solved gas evolution problem with addition of backpressure regulator and constant degassing of target during irradiations. iv. Investigated effects of Y-89 nitrate concentration and beam current. v. Published abstracts at SNM and ISRS meetings; (3) Design of 2nd generation radiometal solution target. a. Included reflux chamber and smaller target volume to conserve precious target materials. b. Included aluminum for prototype and tantalum for working model. c. Included greater varicosities for improved heat transfer; and, (4) Construction of 2nd generation radiometal solution target started.
Authors:
 [1]
  1. Mayo Clinic (United States)
Publication Date:
OSTI Identifier:
1087664
Report Number(s):
DOE-MAYO--05192
TRN: US1300102
DOE Contract Number:
SC0005192
Resource Type:
Technical Report
Research Org:
Brigham and Women's Hospital, Boston, MA (United States)
Sponsoring Org:
USDOE
Contributing Orgs:
Children's Hospital Boston, Boston, MA (United States)
Country of Publication:
United States
Language:
English
Subject:
07 ISOTOPE AND RADIATION SOURCES