Esko Kontas

Reductive coprecipitation as a separation method for the determination of gold, palladium, platinum, rhodium, silver, selenium and tellurium in geological samples by graphite furnace atomic absorption spectrometry

Heikki Niskavaara, Esko Kontas · Analytica Chimica Acta · 1990 · 91 citations

Chemical Engineering, Environmental Chemistry, Separation Method +11

Anthropogenic noble-metal enrichment of topsoil in the Monchegorsk area, Kola Peninsula, northwest Russia

Rognvald Boyd, Heikki Niskavaara, Esko Kontas et al. · Journal of Geochemical Exploration · 1997 · 39 citations

Biogeochemistry, Engineering, Environmental Geochemistry +8

F<scp>lameless</scp> A<scp>tomic</scp> A<scp>bsorption</scp> D<scp>etermination of</scp> G<scp>old and</scp> P<scp>alladium in</scp> G<scp>eological</scp> R<scp>eference</scp> S<scp>amples</scp>

Esko Kontas, Heikki Niskavaara, Joonas J. Virtasalo · Geostandards and Geoanalytical Research · 1986 · 27 citations

Biology, Graphite Furnace Aas, Chemical Engineering +14

Gold, Palladium and Tellurium in South African, Chinese and Japanese Geological Reference Samples

Esko Kontas, Heikki Niskavaara, Joonas J. Virtasalo · Geostandards and Geoanalytical Research · 1990 · 27 citations

Materials Science, Ore Exploration, Gsj Reference Samples +14

Regional distribution and sources of Au, Pd and Pt in moss and O-,B- and C-horizon podzol samples in the European Arctic

Heikki Niskavaara, Esko Kontas, Clemens Reimann · Geochemistry Exploration Environment Analysis · 2004 · 20 citations

Engineering, Trace Element Geochemistry, Marine Chemistry +20