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Radiochemical stability of 14C-compounds on storage: benefits of thioethers

✍ Scribed by Andreas Fredenhagen

Publisher
John Wiley and Sons
Year
2003
Tongue
French
Weight
190 KB
Volume
46
Category
Article
ISSN
0022-2135

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✦ Synopsis

Abstract

Storage of radiochemicals is a significant practical problem. Storage as a solution in various solvents was compared to the storage as a neat oil or solid over an extended period of time. Dichloromethane, a solvent previously not recommended for storage, was found to be a good choice in certain solvent mixtures. Addition of methylsulfide or 2‐methyl‐2‐butene was shown to reduce the radiochemical decomposition by a factor of 1.7–3.2 in ethanol‐free solvents. General points to consider for storage of radiochemicals are discussed. Radiochemical purity was determined by HPLC. Copyright © 2002 John Wiley & Sons, Ltd.

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