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Activated silica supports for preparation of chromatographic sorbents. A comparative study of silicas containing attached epoxy, tosyloxy and halogen groupsстатья
Информация о цитировании статьи получена из
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Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Mingalyov P.G., Fadeev A.Yu
- Журнал: Journal of Chromatography A
- Том: 719
- Номер: 2
- Год издания: 1996
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Первая страница: 291
- Последняя страница: 297
- Аннотация: A comparative study of silica sorbents with attached epoxy, tosyloxy and halogen groups is presented. Epoxy-activated sorbents are shown to have the lowest concentration of attached functional groups among the activated sorbents studied. The low content of epoxy groups is suggested to originate from the partial destruction of epoxy rings during the modification of silica. New methods of epoxidation without the use of epoxysilanes and tosylation without the use of tosyl chloride are proposed. Haloalkyl-activated sorbents are shown to have the highest content of attached functional groups in a bonded layer. It is suggested that haloalkyl-activated sorbents are the most promising for the preparation of sorbents with high loadings of immobilized ligands.
- Добавил в систему: Мингалёв Павел Германович