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Separation of arsenic from germanium oxide targets by dry distillation
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Oncology, Radiology and Clinical Immunology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Oncology, Radiology and Clinical Immunology.
2001 (English)In: Journal of Radioanalytical and Nuclear Chemistry, ISSN 0236-5731, E-ISSN 1588-2780, Vol. 247, no 1, 61-66 p.Article in journal (Refereed) Published
Abstract [en]

Positron-emitting isotopes of arsenic, 70As (T 1/2 = 53 min), 71As (T 1/2 = 64 h), 72As (T 1/2 = 26 h), and 73As (T 1/2 = 17.8 d) are of interest in biomedical investigations using PET. A fast and simple method for their production using low-energy proton and deuteron reactions on enriched Ge-targets is presented. Dry distillation of GeO2 at 1105 °C during 2 hours provides a separation efficiency of more than 60%. The loss of target material is less than one per cent and the irradiated targets can be used several times. The method allows production of diagnostically useful amounts of positron-emitting arsenic isotopes using accelerators commonly available at PET-centres.

Place, publisher, year, edition, pages
2001. Vol. 247, no 1, 61-66 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-62497DOI: 10.1023/A:1006706913108OAI: oai:DiVA.org:uu-62497DiVA: diva2:90408
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-11-30Bibliographically approved

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