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  1. No Access

    Article

    Preparation and Structural and Electrochemical Characteristics of a Carbon-Containing Material Based on Aspen Bark Modified with Zinc and Iron Chlorides

    The possibility of using aspen bark modified with zinc and iron chlorides for preparing highly porous materials with specific properties was examined. The effect of the treatment temperature and modifiers on t...

    S. I. Tsyganova, A. S. Romanchenko, O. Yu. Fetisova… in Russian Journal of Applied Chemistry (2020)

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    Article

    Influence Exerted by Cross-Linking Effect on Properties of Sorbents Produced from Aspen and Larch Bark

    Method is suggested for obtaining biochar materials by treatment of a finely dispersed (≤0.1 mm) bark of aspen and(or) larch with a 40% formaldehyde solution and subsequent thermal activation of the activated ...

    N. M. Mikova, G. P. Skvortsova, E. V. Mazurova… in Russian Journal of Applied Chemistry (2019)

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    Article

    Optimization of the Production Process of Biologically-Active Betulin Diacetate from Raw and Activated Birch Bark

    The effect of the conditions of the acetylation process of raw and activated birch bark on the yield and composition of the products is investigated. The structure of biologically active betulin diacetate (BDA...

    S. A. Kuznetsova, B. N. Kuznetsov… in Theoretical Foundations of Chemical Engine… (2018)

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    Article

    Influence of mechanical treatment on the properties of betulin, betulin diacetate, and their mixture with water-soluble polymers

    The influence of mechanical treatment on the properties of betulin, betulin diacetate, and their mixture with water-soluble polymers was studied. It was shown that mechanical treatment in a planetary mill-acti...

    M. A. Mikhailenko, T. P. Shakhtshneider… in Chemistry of Natural Compounds (2011)