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  1. No Access

    Article

    ICP-OES Analysis for Humic Substance

    The benefits of ICP-OES analysis (radial observation) for humic products are evaluated in this paper; the proposed method allows one to quantify up to 24 elements (As, Al, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Mg,...

    R. P. Kolmykov in Russian Agricultural Sciences (2023)

  2. No Access

    Article

    Develo** Additives Based on Russian Coal for the Thermal Hydrocracking of Heavy Tar. 1. Coal Petrography, Complex and Elemental Analysis

    The following coal samples are compared: Kansk-Achinsk lignite from the Kaichasky-1 and Berezovsky mines; and long-flame (bituminous) coal from the Pervomaisky mine in the Kuznetsk Basin. Their composition and...

    Z. R. Ismagilov, A. K. Shigabutdinov, V. V. Presnyakov, M. R. Idrisov… in Coke and Chemistry (2023)

  3. No Access

    Article

    Determining the Composition and Particle Size of Coal Dust by Dynamic Light Scattering

    The physicochemical properties of coal dust from fine filters in the degassing system of a Kuznetsk Basin mine are studied. The dust sample is investigated by atomic-emission spectroscopy, IR spectroscopy, dyn...

    O. S. Efimova, R. P. Kolmykov, L. V. Panina, Yu. N. Dudnikova… in Coke and Chemistry (2021)

  4. No Access

    Article

    The Characteristics of the Atomic Structure and Morphology of the Ni-Cores in the Ni/Au Core–Shell Nanoparticles

    The Ni-nanoparticles, being similar to the nanocores of the Ni/Au core–shell nanoparticles, are made up of the structural domains with the dimensions about 1 nm. It is experimentally shown in this work for the...

    Yu. A. Zakharov, R. P. Kolmykov… in Journal of Inorganic and Organometallic Po… (2019)

  5. No Access

    Article

    Producing Hexane-Insoluble Asphaltene Films from Coal Pitch

    The possibility of producing hexane-insoluble asphaltenes from a toluene solution of mid-temperature coal pitch is demonstrated. The topography, morphology, and structure of films consisting of asphaltene asso...

    S. A. Sozinov, L. V. Sotnikova, A. N. Popova, R. P. Kolmykov… in Coke and Chemistry (2018)

  6. No Access

    Article

    Explosive decomposition of pentaerythritol tetranitrate pellets containing nickel nanoparticles with various radii

    The kinetics of the explosive decomposition of pressed pentaerythritol tetranitrate pellets containing nickel nanoparticles with various radii has been investigated experimentally, with the explosion initiated...

    B. P. Aduev, N. R. Nurmukhametov, R. P. Kolmykov… in Russian Journal of Physical Chemistry B (2016)

  7. No Access

    Article

    Nanostructured composites based on porous carbon matrices filled with nickel hydroxide crystallites

    High-purity, nanostructured, morphologically uniform hydroxide-carbon composites filled with anhydrous Ni(OH)2 nanocrystallites (up to 40 wt %) and having a large specific surface area (600–1300 m2/g) and high po...

    Yu. A. Zakharov, Z. R. Ismagilov, V. M. Pugachev, A. N. Voropai… in Inorganic Materials (2015)