Method for obtaining isotopically enriched metal lead from monoisotopic tetramethyllead and its purification

Dmitry Vasilievich Akimov, Oleg S. Andrienko, Nikolay B. Egorov, Ivan I. Zherin, Denis V. Indyk, Mishik A. Kazaryan

Отделение ядерно-топливного цикла

Результат исследования: Материалы для книги/типы отчетов › Глава

Аннотация

The main methods of the synthesis of Pb(CH₃)₄, which is used as a working substance in the process of centrifugal separation of isotopes of lead are considered. The results of experimental studies on the dealkylation of Pb(CH₃)₄ with bromine in the temperature range from -30 °C to 20 °C are given. By infrared and mass spectrometry, chemical and thermal analyses dealkylation products were studied. The scheme of conversion isotopically enriched Pb(CH₃)₄ to metallic lead, including dealkylation of Pb(CH₃)₄ with bromine to lead bromide (II) and its subsequent reduction to metallic lead is suggested. The yield of ²⁰⁸Pb, obtained under this scheme is not less than 97%, its chemical purity is not less than 99.9%. The possibility of using distillation and crystallization methods for further purification of ²⁰⁸Pb from impurities is shown.

Язык оригинала	Английский
Заголовок главной публикации	Application of Stable Lead Isotope Pb-208 in Nuclear Power Engineering and its Acquisition Techniques
Издатель	Nova Science Publishers, Inc.
Страницы	137-176
Количество страниц	40
ISBN (печатная версия)	9781624176531
Статус публикации	Опубликовано - 1 фев 2013

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ASJC Scopus subject areas

Chemical Engineering(all)

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Akimov, D. V., Andrienko, O. S., Egorov, N. B., Zherin, I. I., Indyk, D. V., & Kazaryan, M. A. (2013). Method for obtaining isotopically enriched metal lead from monoisotopic tetramethyllead and its purification. В Application of Stable Lead Isotope Pb-208 in Nuclear Power Engineering and its Acquisition Techniques (стр. 137-176). Nova Science Publishers, Inc..

Method for obtaining isotopically enriched metal lead from monoisotopic tetramethyllead and its purification. / Akimov, Dmitry Vasilievich; Andrienko, Oleg S.; Egorov, Nikolay B.; Zherin, Ivan I.; Indyk, Denis V.; Kazaryan, Mishik A.

Application of Stable Lead Isotope Pb-208 in Nuclear Power Engineering and its Acquisition Techniques. Nova Science Publishers, Inc., 2013. стр. 137-176.

Результат исследования: Материалы для книги/типы отчетов › Глава

Akimov, Dmitry Vasilievich ; Andrienko, Oleg S. ; Egorov, Nikolay B. ; Zherin, Ivan I. ; Indyk, Denis V. ; Kazaryan, Mishik A. / Method for obtaining isotopically enriched metal lead from monoisotopic tetramethyllead and its purification. Application of Stable Lead Isotope Pb-208 in Nuclear Power Engineering and its Acquisition Techniques. Nova Science Publishers, Inc., 2013. стр. 137-176

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abstract = "The main methods of the synthesis of Pb(CH3)4, which is used as a working substance in the process of centrifugal separation of isotopes of lead are considered. The results of experimental studies on the dealkylation of Pb(CH3)4 with bromine in the temperature range from -30 °C to 20 °C are given. By infrared and mass spectrometry, chemical and thermal analyses dealkylation products were studied. The scheme of conversion isotopically enriched Pb(CH3)4 to metallic lead, including dealkylation of Pb(CH3)4 with bromine to lead bromide (II) and its subsequent reduction to metallic lead is suggested. The yield of 208Pb, obtained under this scheme is not less than 97{\%}, its chemical purity is not less than 99.9{\%}. The possibility of using distillation and crystallization methods for further purification of 208Pb from impurities is shown.",

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AU - Akimov, Dmitry Vasilievich

AU - Andrienko, Oleg S.

AU - Egorov, Nikolay B.

AU - Zherin, Ivan I.

AU - Indyk, Denis V.

AU - Kazaryan, Mishik A.

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AB - The main methods of the synthesis of Pb(CH3)4, which is used as a working substance in the process of centrifugal separation of isotopes of lead are considered. The results of experimental studies on the dealkylation of Pb(CH3)4 with bromine in the temperature range from -30 °C to 20 °C are given. By infrared and mass spectrometry, chemical and thermal analyses dealkylation products were studied. The scheme of conversion isotopically enriched Pb(CH3)4 to metallic lead, including dealkylation of Pb(CH3)4 with bromine to lead bromide (II) and its subsequent reduction to metallic lead is suggested. The yield of 208Pb, obtained under this scheme is not less than 97%, its chemical purity is not less than 99.9%. The possibility of using distillation and crystallization methods for further purification of 208Pb from impurities is shown.

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Method for obtaining isotopically enriched metal lead from monoisotopic tetramethyllead and its purification

Аннотация

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ASJC Scopus subject areas

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