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Scientific interests:

• Environmental chemistry, Marine chemistry, Ecological assessment of waters and soils, Thermodynamic modeling of the distribution of chemical forms of transition metals and spontaneous precipitation processes in natural waters and in aqueous soil extracts with different ionic strength and degree of pollution.
• Chemistry of solutions, Thermodynamic modeling of stable and metastable equilibria in multicomponent systems, Pure chemical inorganic technologies Chemistry of solutions.
• Multi-element analysis of metal ions in solution in a wide concentration range by inductively coupled plasma optical emission spectrometry (ICP-OES).

Selected papers:

1. Kovacheva, A., Vladov, I., Gabrashanska, M., Rabadjieva, D., Tepavitcharova, S., Nanev, V., Dassenakis, M., Karavoltsos, S.,
   Dynamics of trace metals in the system water – soil – plant – wild rats – tapeworms (Hymenolepis diminuta) in Maglizh area, Bulgaria
   Journal of Trace Elements in Medicine and Biology 58 (2020) 126440,
2. Rabadjieva D., Kovacheva A., Tepavitcharova S., Gyuzelev G., Kornilev Y. V., Vasilev V. 
   Modeling of chemical species and precipitation process in waters of the protected site PODA, Burgas, Bulgaria
   Journal of international scientific publications, Ecology & Safety, 12, 96-108, 2018
3. Rabadjieva D., Kovacheva A., Tepavitcharova S., Dassenakis M., Karavoltsos S.,
   Trace metal pollution of waters and soils in Kardjali region
   Bulgaria, Environ. Monit Assess, 190, 383 (2018).
4. Kovacheva A., Rabadjieva D., Tepavitcharova St.,
   Simulation of stable and metastable sea-type carbonate systems for optimization of MgCO₃.3H₂O precipitation from waste sea brine
   Desalination, 348, 66-73 (2014).
5. Tepavitcharova, S., Rabadjieva, D., Todorov, T., Kovacheva, A., Dassenakis, M., Paraskevopoulou, V.
   Chemical speciation in fresh, saline and hyper-saline waters
   Pure and Applied Chemistry, 86 (7) (2014) 1097-1104