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Regularities of adsorption of water-soluble vitamins on the surface of microdispersed sintered detonation nanodiamond

Lanin, SN, Platonova, SA, Vinogradov, AE, Lanina, S and Nesterenko, PN ORCID: 0000-0002-9997-0650 2018 , 'Regularities of adsorption of water-soluble vitamins on the surface of microdispersed sintered detonation nanodiamond' , Adsorption, vol. 24, no. 7 , pp. 637-645 , doi:

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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:
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Copyright 2018 Springer Science+Business Media, LLC, part of Springer Nature

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