1. MODIFIED RAW MATERIALS: SYNTHESIS, CHARACTERIZATION AND APPLICATION FOR Cd2+ IONS REMOVAL. Authors: ZHANNA ZH. KENZHALINA, DINA N. AKBAYEVA, AINUR N. IMANGALIYEVA, GULZIYA A. SEILKHANOVA.2. ELECTROCHEMICAL DEPOSITION AND DISSOLUTION OF THALLIUM OXIDE (III). Authors: MICHAEL K. NAYRYZBAEV, ANDREY V. BEREZOVSKIYA, YENLIK ZH. USSIPBEKOVA, ANDREY P. KURBATOV, GULZIYA A. SEILKHANOVA.3. DEVELOPMENT OF ELECTROCHEMICAL METHODS FOR PRODUCTION OF PURE THALLIUM. Authors: YENLIK ZH. USSIPBEKOVA, GULZIYA A. SEILKHANOVA, ANDREY V. BEREZOVSKIYA, ANDREY P. KURBATOV, MICHAEL K. NAURYZBAEV.