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An improved method for the preparation of [14C]thiourea of high radiochemical purity

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Summary

An improved method for the preparation of [14C]thiourea of high radiochemical purity is described. [14C]thiourea is prepared by the barium cyanamide route and is purified by vacuum-sublimation. The labeled product showed ammonium [14C]thiocyanate as a radiochemical impurity in the range of 2-4%. This was further purified by silica-gel column chromatography to get the product having more than 99% radiochemical purity.

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Authors and Affiliations

  1. Labelled Compounds, Immunoassay, Labelled Compounds & Jonaki, Board of Radiation & Isotope Technology, BARC Vashi Complex , Navi Mumbai - 400 705, India

    S. P. Patil

  2. Labelled Compounds, Immunoassay, Labelled Compounds & Jonaki, Board of Radiation & Isotope Technology, BARC Vashi Complex , Navi Mumbai - 400 705, India

    D. B. Kalgutkar

  3. Labelled Compounds, Immunoassay, Labelled Compounds & Jonaki, Board of Radiation & Isotope Technology, BARC Vashi Complex , Navi Mumbai - 400 705, India

    N. Jaychandran

  4. Labelled Compounds, Immunoassay, Labelled Compounds & Jonaki, Board of Radiation & Isotope Technology, BARC Vashi Complex , Navi Mumbai - 400 705, India

    V. K. P. Unny

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  1. S. P. Patil
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  2. D. B. Kalgutkar
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  3. N. Jaychandran
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  4. V. K. P. Unny
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Patil, S., Kalgutkar, D., Jaychandran, N. et al. An improved method for the preparation of [14C]thiourea of high radiochemical purity. J Radioanal Nucl Chem 267, 49–51 (2005). https://doi.org/10.1007/s10967-006-0007-y

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  • DOI: https://doi.org/10.1007/s10967-006-0007-y

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