Труды КНЦ вып.3 (ХИМИЯ И МАТЕРИАЛОВЕДЕНИЕ) вып. 1/2019(10))

TRANSACTIONS of the Kola Science Centre CONTENTS CHEMISTRY AND MATERIALS series 3 Bazarova E. A., Mitrofanova G. V., Chernousenko E. V. Bobreva L. A., Sidorov N. V., Masloboeva S. M., Teplyakova N. A., Palatnikov M. N. Budin O. N., Kropachev A. N., Cherepov V. V. Buzaev A. A., Rogacheva A. O., Kozik V. V. Valeev D. V., Varnavskaya A. V. Valeev D. V., Zinoveev D. V., Varnavskaya A. V. Vetrova D. A., Kuznetsov S. A. Vinogradov V. Yu. Khayrutdinova D. R., Antonova O. S., Goldberg M. A., Ashmarin A. A., Smirnov S. V., Kronicheva P. A. Gorbovskiy K. G., Kazakov A. I., Norov A. M., Pagaleshkin D. A., Mikhaylichenko A. I. Gorbovskiy K. G., Norov A. M., Pagaleshkin D. A., Maraeva Y. Y. Gorbovskiy K. G., Norov A. M., Kulpina Y. N. New complexing reagents-collectors for copper-nickel Page ore flotation .................................................................. 15 Features of forming complex defects in double doping crystal LiNbO 3 : Mg (5,05 mol %) : Fe (0,009 mol %) ..... 22 Thermogravimetric study of the opening of perovskite concentrate .................................................................. 29 Synthesis and properties of composite materials based on TiO 2 modified by particles of SiO 2 and Ag. 31 The study of enrichment methods and hydrochloric acid leaching of ash from coal power stations ............ 37 Reductive smelting of neutralized red mud for iron and aluminum-containing slag production .................. 44 Electrochemistry of the Ti (IV) / Ti (III) redox couple in the KCl — KF melt ...................................................... 51 Synthesis of Gd 2 Zr 2 O 7 from hydroxide precursor using mechanical activation ........................................ 57 Formation of microstructure and properties of bone cement in the calcium phosphate — calcium oxide system .......................................................................... 59 Study of thermal decomposition kinetics of nitrate ammonium-based NPK-fertilizers ............................. 64 Effect of impurities on thermal decomposition kinetics of fertilizer diammonium phosphate in self-generated atmosphere ................................................................. 71 Phosphogypsum thermal dehydratation kinetics study ............................................................................ 79 9