Determination of aluminium using high performance chelation ion chromatography

Tria, J.; Haddad, P.R.; Nesterenko, P.N.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 27 марта 2017 г.

Авторы: Tria J., Haddad P.R., Nesterenko P.N.
Журнал: Journal of Separation Science
Том: 31
Номер: 12
Год издания: 2008
Издательство: John Wiley & Sons Ltd.
Местоположение издательства: United Kingdom
Первая страница: 2231
Последняя страница: 2238
DOI: 10.1002/jssc.200800046
Аннотация: The suitability of high performance chelation ion chromatography (HPCIC) using postcolumn reaction for the separation and determination of dissolved aluminium in complex samples was investigated. Use of a chelating ion-exchanger allowed for differentiation between kinetically labile and kinetically stable species of aluminium. Separation through a combination of chelation and cation-exchange was achieved using a 200 x 4.0 mm id column packed with particles of silica functionalised with iminodiacetic acid, with nitric acid-potassium chloride eluents. A temperature anomaly causing a five-fold increase in column efficiency for aluminium is believed to be a result of localised temperature effects in the particular type of instrument used. Postcolumn reagents investigated for the photometric detection included Tiron, Pyrocatechol Violet, Chrome Azurol S, and Eriochrome® Cyanine R. The lowest detection limit (2.7 μg/L for a 100 μL sample volume) was achieved using 0.25 mM Eriochrome Cyanine R in 0.2 M hexamine (pH 6.1) with 1 mM cetyltrimethylpyridium bromide (CTAB). The optimised HPCIC system was appllied successfully to the quantification of labile aluminium in paper mill process water. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Добавил в систему: Нестеренко Павел Николаевич

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