najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2024-15-1-130-134najo-75Research ArticleCHEMISTRY AND MATERIAL SCIENCEХИМИЯ И МАТЕРИАЛОВЕДЕНИЕSorption of polar and non-polar liquids by GO powders according to DSC experimentsСорбция полярных и неполярных жидкостей порошками GO по данным ДСКhttps://orcid.org/0000-0003-2513-0306КаплинА. В.KaplinA. V.

Alexander V. Kaplin – MSU, Chemistry Department, Moscow; Semenov Federal Research Center of Chemical Physics, RAS.

Moscow

alex1997kaplin@mail.ruhttps://orcid.org/0000-0002-4003-9028ЕреминаЕ. А.EreminaE. A.

Elena A. Eremina –Chemistry Department.

Moscow

eaer@mail.ruhttps://orcid.org/0000-0002-0099-9008КоробовМ. В.KorobovM. V.

Mikhail V. Korobov –Chemistry Department.

Moscow

mkorobov49@gmail.comMoscow State University; Semenov Federal Research Center of Chemical Physics, Russian Academy of SciencesRussian FederationMoscow State UniversityRussian Federation202431052025151130134Copyright © Kaplin A.V., Eremina E.A., Korobov M.V., 20252025Каплин А.В., Еремина Е.А., Коробов М.В.Kaplin A.V., Eremina E.A., Korobov M.V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/75

The sorption properties of Hummers (HGO) and Brodie (BGO) graphite oxides with respect to various liquids were studied by the DSC method. In the case of HGO, the reduced material (RHGO) was obtained by hydrothermal synthesis. The effective reduction of the material was confirmed by XRD. The difference in the sorption of water and acetonitrile by HGO and RHGO was experimentally observed. The DSC experimental procedure was developed to estimate the selective sorption of the component from the immisible liquid mixtures. The procedure has been tested on the sorption of the water-octane mixture by HGO. It was shown that water can be sorbed by HGO from the mixture in an amount equal to equilibrium sorption of pure water by HGO at 273 K. The results obtained will serve as the basis for further studies of the sorption properties of GO.

В данной работе методом ДСК исследованы сорбционные свойства оксидов графита (метод Хаммерса (HGO) и метод Броди (BGO)) по отношению к различным жидкостям. В случае HGO восстановленный материал (RHGO) был получен методом гидротермального синтеза. Эффективное восстановление материала было подтверждено методом РФА. Показаны различия в сорбции воды и ацетонитрила в HGO и RHGO. Также в данной работе разработана методика оценки селективной сорбции воды из водно-октановой смеси материалом HGO методом ДСК. Показано, что вода может сорбироваться HGO в количестве, соответствующем равновесной сорбции при температуре плавления воды из водно-октановой смеси. Полученные результаты послужат основой для дальнейших исследований сорбционных свойств GO.

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The authors declare that there are no conflicts of interest present.