Contents

Glass Physics and Chemistry

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Vol. 47, No. 2, 2021

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Effect of CaO/SiO₂ and Fe/SiO₂ Ratios on the Viscosity at 1300°C of Partly Crystallized Silicate Slags

Manuel Flores-Favela, Hugo Pelaez-Ramirez, Josué López-Rodriguez, Antonio Romero-Serrano, Aurelio Hernández-Ramírez, Alejandro Cruz-Ramírez and Isaias Almaguer-Guzman p. 75  abstract

Effect of Temperature and Water Glass Addition on the Microstructure and Physical Properties of Soda–Lime Foam Glass

A. Bashiri, A. Amirhosseini, S. M. Mirkazemi and H. Ghanbari p. 83  abstract

Analytical TEM Observation of the Flame-Ablated Surface of Borosilicate-Glass Vials

K. Mikamoto, M. Takeuchi, A. Shirakura and T. Suzuki p. 91  abstract

Thermal Properties of Glass and Melts of the CaO–B₂O₃–Al₂O₃–CuO System

E. N. Selivanov, A. S. Vusikhis, S. V. Sergeeva, R. I. Gulyaeva and V. V. Ryabov p. 97  abstract

Optical Properties of Mixed Alkali Borate Glasses

M. A. Samee, Shaik Kareem Ahmmad, Shaik Amer Ahmed, Salavadi Stalin, A. Edukondalu and Syed Rahman p. 104  abstract

Structural Changes in Silica Glass under the Action of Electron Beam Irradiation: The Effect of Irradiation Dose

A. I. Sidorov, D. A. Kirpichenko, U. V. Yurina and O. A. Podsvirov p. 118  abstract

Direct Preparation of Powdered Geopolymer Using Polyvinyl Alcohol as Dispersant Template and Its Cu(II) Cation Adsorption Capacity

Teruhisa Hongo and Ayako Baba p. 126  abstract

Effect of Bismuth Additives on the Kinetics and Mechanism of As₂Se₃ Glass Crystallization

E. V. Shkol’nikov p. 132  abstract

Adsorption and Photocatalyst of Methylene Blue on Mesoporous Bioactive Glass with La and Ti Dopants

Liying Li, Di Zhao, Zhaohui Zhang and Xiaonan Zhang p. 143  abstract

Compositions, Physical and Chemical Properties, and Compatibility of Lead–Boron–Silicate Glass with Ruthenium(IV) Oxide Compounds

N. S. Lozinskii, A. N. Lopanov and Ya. A. Moroz p. 154  abstract

Mössbauer Studies of the Local Surrounding of Atoms in Amorphous and Crystalline Ge₂Sb₂Te₅ Films

G. A. Bordovskii, A. V. Marchenko, F. S. Nasredinov, Yu. A. Petrushin and P. P. Seregin p. 166  abstract

Development and Research on Ion-Conducting Membranes Based on Cross-Linked Polyvinyl Alcohol

O. S. Lyozova, O. A. Zagrebelny, E. L. Krasnopeeva, A. S. Baranchikov, O. A. Shilova and A. G. Ivanova p. 173  abstract

Solid-Phase Synthesis of KNaSO₄ in a Thermal X-Ray Machine Followed by a Study of the Synthesis Product during Cooling

O. Yu. Shorets, S. K. Filatov, V. A. Firsova and R. S. Bubnova p. 181  abstract

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