O. V. Yurasova
Federal State Research and Develpment Institute of Rare Metal Industry (JSC «Giredmet»)
Russian Federation

Yurasova O.V. – Cand. Sci. (Eng.), head of the Laboratory of technology for obtaining substances of high purity

111524, Russia, Moscow, Electrodnaya str., 2, build. 1

D. A. Samieva
Federal State Research and Develpment Institute of Rare Metal Industry (JSC «Giredmet»)
Russian Federation

Samieva D.A. – leading engineer

111524, Russia, Moscow, Electrodnaya str., 2, build. 1

E. S. Koshel
Federal State Research and Develpment Institute of Rare Metal Industry (JSC «Giredmet»); Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Russian Federation

Koshel E.S. – Cand. Sci. (Chem.), head of the center of JSC «Giredmet»

111524, Russia, Moscow, Electrodnaya str., 2, build. 1
119991, Russia, Moscow, Leninskii pr., 31

Y. A. Karpov
Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences
Russian Federation

Karpov Yu.A. – acad. of the Russian Academy of Sciences, Dr. Sci. (Chem.), prof., chief researcher of the Chemical analysis laboratory

119991, Russia, Moscow, Leninskii pr., 31