Production and study of Ge, Sn and Pb in the unusual oxidation states (I) and (III) after low-temperature radiolysis of aqueous solutions of their salts

Ershov, B.G.; Aleksandrov, A.I.

Авторы: Ershov B.G., Aleksandrov A.I.
Журнал: Radiation Physics and Chemistry
Том: 10
Номер: 5-6
Год издания: 1977
Издательство: Elsevier
Местоположение издательства: United States
Первая страница: 327
Последняя страница: 333
DOI: 10.1016/0146-5724(77)90040-1
Аннотация: Ge, Sn and Pb ions in unusual oxidation states (I) and (lid have been obtained in aqueoussolutions under the conditions of low-temperature radiolysis at 77K. They have been investigated byEPR and optical spectroscopy. Ge(III), Sn(l) and Pb(l) ions have been produced by the reduction ofGe(IV), Sn(II) and Pb(II) salts in aqueous solutions of HCI, HCIO,, HzSO4 and NaOH. Ge(III) ionshave been found to form four basic complexes in the solutions of HCI which are notable for theirdifferent content of CI- ions in the coordination sphere. Substitution of OH- group for CI- ions withthe formation of GeCI63- (or GeCI:'-) complex has been found as the temperature increases. EPRspectra of Sn(I) ions are characterized by noticeable anisotropy of the g-factor. Sn(III) and Pb(III)ions have been obtained by oxidation with OH, CI z- and other radicals on heating -/-irradiatedsolutions of Sn(lI) and Pb(II) salts. The constants of hyperfine interaction of these ions have beencalculated by the Breit-Rabi equation. It has been established that the value of A~so for Sn(III) andPb(III) ions increases with the growth of the energy of the optical transition E~m" in various aqueous
Добавил в систему: Александров Алексей Иванович

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Production and study of Ge, Sn and Pb in the unusual oxidation states (I) and (III) after low-temperature radiolysis of aqueous solutions of their saltsстатья

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