Abstract
Neutron irradiated 12-molybdocerate(IV) is evaluated as a column matrix for use in preparation of small chromatographic column type99mTc generators. Greater than 87% of the generated99mTc activity is immediately and reproducibly eluted with passing 10 cm3 of saline or chromated saline solutions through 3.0 g of molybdocerate column bed at flow rates of about 1.0 cm3/min. The elution performance of99mTc does not drastically change with increasing the drying temperature and/or the particles sixe of the column matrix in the range investigated. Saline eluent containing 5·10−5M CrO 2−4 increases the radiochemical purity of the eluate to >98% TcO −4 . Radionuclidic and chemical purities of the eluates satisfy the specifications for use in nuclear medicine.
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El-Absy, M.A., El-Naggar, I.M. & Audah, A.I. Technetium-99m generators based on neutron irradiated 12-molybdocerate as column matrix. Journal of Radioanalytical and Nuclear Chemistry, Articles 183, 339–350 (1994). https://doi.org/10.1007/BF02038002
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DOI: https://doi.org/10.1007/BF02038002