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Preconcentration and determination of osmium(VIII) using silicas chemically modified with sulfur-containing groups

Описание

Тип публикации: статья из журнала

Год издания: 2015

Идентификатор DOI: 10.1134/S1061934815070072

Ключевые слова: adsorption, chemically modified silicas, sulfur-containing groups, osmium, Gas adsorption, Gases, Silica, Sulfur, Certified reference materials, Chemically modified, Diffuse reflection spectroscopy, Dithiocarbamates, Hydrochloric acid solution, Photometric determinations, Pre-concentration, Sulfur determination

Аннотация: The adsorption of osmium(VIII) from sulfuric and hydrochloric acid solutions and gas phase on silicas chemically modified by dithiocarbamate, thiodiazolthiol, mercaptophenylpropylurea, and aminobenzothiazolpropyl groups is studied. A procedure is developed for the adsorption-photometric determination of osmium, including the adsorpПоказать полностьюtion of osmium(VIII) from the gas phase on silicas chemically modified by sulfur-containing groups and the determination of osmium in the adsorbent phase by diffuse reflection spectroscopy. The procedure was used to determine osmium in a certified reference material of the composition of a matte ore thermal melting and process waters.

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Издание

Журнал: JOURNAL OF ANALYTICAL CHEMISTRY

Выпуск журнала: Vol. 70, Is. 7

Номера страниц: 781-787

ISSN журнала: 10619348

Место издания: NEW YORK

Издатель: MAIK NAUKA/INTERPERIODICA/SPRINGER

Персоны

  • Losev V.N. (Siberian Fed Univ, Kristall Res & Engn Ctr, Krasnoyarsk 660041, Russia)
  • Parfenova V.V. (Siberian Fed Univ, Kristall Res & Engn Ctr, Krasnoyarsk 660041, Russia)
  • Elsuf'ev E.V. (Siberian Fed Univ, Kristall Res & Engn Ctr, Krasnoyarsk 660041, Russia)
  • Trofimchuk A.K. (Taras Shevchenko Natl Univ, Fac Chem, UA-01033 Kiev, Ukraine)

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