Fabrication of Miniature 141ce Sources by Chemical Deposition Towards Possible Use in the Performance Evaluation of Gamma Cameras - A Feasibility Study.
Applied radiation and isotopes including data, instrumentation and methods for use in agriculture, industry and medicine(2019)
摘要
141Ce sources were fabricated for quality assurance of gamma cameras. The fabrication process consisted of electro-deposition of Ni on a Cu sphere in 0.01 N H2SO4 containing 30 mg/mL H3BO3 and 50 μg of NiSO4·7H2O at pH 2-3 followed by deposition of 141Ce on it. > 95% deposition of 141Ce on substrate could be achieved at pH 5. Source core was loaded in custom-made Al holder. Autoradiography confirmed uniform activity distribution. SEM and EDS analyses confirmed deposition of Cerium on substrate.
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