Authors:
Cai Shanyu China Institute of Atomic Energy 102413 Beijing (P.R. China)

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Sun Yuhua China Institute of Atomic Energy 102413 Beijing (P.R. China)

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Gao Wanshan China Institute of Atomic Energy 102413 Beijing (P.R. China)

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Wei Barhong China Institute of Atomic Energy 102413 Beijing (P.R. China)

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Abstract  

In recent years, -particle surface applicators (such as32P,90Sr) have been widely used in treating some diseases of dermotology, ophthalmology, otolaryngology etc. in China. The powder metallurgy and metal rolling technology of strontium-90/yttrium-90 () sources and the manufacture process of90Sr/90Y surface applicators are described in this paper. For this kind of radioactive sources, the strontium-90 insoluble compound is incorporated in a silver matrix which is sandwiched between the gold (or silver) face and the silver backing. The external surface of strontium-90 foil source is then protected by palladium or tungsten-nickel alloy coating. The characteristics of strontium-90 surface applicator are of uniform dose rate, small self-absorption and safety in use, so it can satisfy the requests of medical care.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)