Physicochemical and adsorption properties of some carbon materials in aqueous solutions

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Physicochemical and adsorption properties of some carbon materials in aqueous solutions	469 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1134/S2070205122030212

Title: Physicochemical and adsorption properties of some carbon materials in aqueous solutions
Creator: Skorik, N. A.
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Kharlamova, Tamara S.
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Vostretsova, E. N.
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Dyukarev, N. N.
Date: 2022
DOI: 10.1134/S2070205122030212
Description: Water dispersions of carbon adsorbents-nanodiamonds of UD-DP and UD-HP-DP types, nanodiamond charge of UDB-A type, C-60 fullerene, nanotubes, and activated carbon-were studied. Some physicochemical properties of their surface (acidity and electrokinetic characteristics) were investigated, and the surface values of pK(a1) were calculated. The data on adsorption of iodine, malic acid, and cationic dyes onto these adsorbents from aqueous and 1 mol/L NaCl solutions were discussed and compared. The dyeadsorption data and the values of the zeta potential and suspension effect indicated a negatively charged surface of UDA-SP nanodiamond within a pH adsorption range from 5.5 to 8.0.