Poly(alkyl methacrylate) monolithic columns for HPLCстатья
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Matusova S.M.,
Ivanova K.I.,
D’Yachkov I.A. ,
Smolenkov A.D. ,
Pirogov A.V. ,
Shpigun O.A.
Журнал:
Russian Chemical Bulletin
Том:
57
Номер:
12
Год издания:
2008
Издательство:
Springer Nature
Местоположение издательства:
Switzerland
Первая страница:
2554
Последняя страница:
2560
DOI:
10.1007/s11172-008-0367-2
Аннотация:
Several monolithic macroporous polymer sorbents (pore size 1-2 μm) based on alkyl methacrylates and ethylene glycol dimethacrylate as a cross-linking agent were prepared by free radical copolymerization in columns 3×150 mm. The influence of compositions of the reaction mixture and porogens and the nature of the alkyl radical in a mixture of monomers on the hydrodynamic and chromatographic characteristics of the monoliths was studied. The monoliths based on n-butyl methacrylate have rigid macroporous morphology and excellent hydrodynamic characteristics (flow rate up to 5 mL min-1). The efficiency of separation of a mixture of benzene and its derivatives in the version of reversed-phase HPLC was shown to increase with an increase in the fraction of a lauryl methacrylate additive (LMA) in the reaction mixture. The maximum separation efficiency (number of theoretical plates (tp)) was 35 000 tp m-1 for the monolith based on n-butyl methacrylate with 7% LMA in the reaction mixture. © 2008 Springer Science+Business Media, Inc.
Добавил в систему:
Смоленков Александр Дмитриевич