Abstract
99mTc(Sn)-MDP complexes have been prepared by reduction of 99mTcO 4 − by Sn(II) in the presence of MDP. These complexes were separated on an anion exchange column. The necessity of addition of the ligand and the reducing agent to the eluent to avoid decomposition during chromatography is demonstrated. For the main component that is found at pH 5 the ionic charge was calculated according to the method of Wilson and Pinkerton [ Anal. Chem. 57, 246 (1985)] and the method of Russell and Bishoff [ Int. J. Appl. Radiat. Isot. 35, 859 (1985)]. With the first method a charge of −4.2 ± 0.3 was obtained, with the second a charge of −5.1 ± 0.6. An accurate method to determine the void volume of the ion exchange column is described.
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Schedule a callMore From: International Journal of Radiation Applications & Instrumentation. Part A, Applied Radiation & Isotopes
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