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Abstract

Adsorption of water-soluble vitamins, including riboflavin (В2), nicotinamide (PP, B3), pyridoxine (B6), cyanocobalamine (В12) from water-organic solutions on microdispersed sintered detonation nanodiamond (MSDN), modified in different ways, was studied using high-performance liquid chromatography (HPLC). The effect of composition (from 5% to 80 v/v % of CH3CN) and рН (рН 2.7/6.0) of mobile phase, as well as temperature of chromatographic column (tc = 45/65 °C) on vitamins adsorption was studied. Nonlinear dependences of the sorbate retention factors on the acetonitrile content in the mobile phase are found out, indicating the variation of specific and non-specific interactions of vitamins with MSDN surface. Based on the obtained results, the conditions for chromatographic separation of the mixture of water-soluble vitamins in isocratic mode of HPLC on MSDN are optimized.

Item Type:	Article
Authors/Creators:	Lanin, SN and Platonova, SA and Vinogradov, AE and Lanina, S and Nesterenko, PN
Keywords:	adsorption, microdispersed sintered detonation nanodiamond, acid–base properties, water-soluble vitamins, high-performance liquid chromatography, hydrophilic chromatography
Journal or Publication Title:	Adsorption
Publisher:	Kluwer Academic Publ
ISSN:	0929-5607
DOI / ID Number:	https://doi.org/10.1007/s10450-018-9969-7
Copyright Information:	Copyright 2018 Springer Science+Business Media, LLC, part of Springer Nature
Related URLs:	Google Scholar: Nesterenko, PN UTAS Profile: Nesterenko, PN
Item Statistics:	View statistics for this item

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