I.V. Manshina - General Director Ecoanalytica LLC (Kaluga). E-mail: ecoanalyt.kaluga@yandex.ru O.A. Padalka - Engineer, Ecoanalytica LLC (Kaluga). Е-mail: ecoanalyt.kaluga@yandex.ru A.P. Korzhavyi - Dr. Sc. (Eng.), Professor, Kaluga branch of the Bauman MSTU. E-mail: fn2kf@list.ru V.V. Kuznetsov - Ph. D. (Eng.), Associate Professor, Director of Institute of electronics MIREA (Moscow)