In the one hundred years since the birthday of Academician W. J. Vernadsky, in whose honour this Geochemical Conference is being held, the population of our world has grown from about 1,250 million to not far short of 3,150 million, an addition of some 1,900 million persons. Thus, there are approximately two and one half times as many people in the world today as there were when Academician Ver...

Concentrations of 69 minor and trace elements were measured in situ using laser ablation inductivelycoupled plasma mass spectrometry in multiple teeth of modern herbivores (Cervus elaphus, Odocoileus hemionus, Odocoileus virginianus; n 1⁄4 52), omnivores (Ursus americanus; n 1⁄4 56), and carnivores (Felis concolor; n 1⁄4 33; Canis lupus; n 1⁄4 4) from Idaho, USA. On each tooth, two to five anal...

introduction high concentrations of metals are usually encountered in surface soil and vegetation in areas affected by mining activity (liu et al., 2006). different distribution of elements in chemical fractions result in different bioavailability; therefore knowledge of the total content of an element in soil is not a sufficient criterion to estimate the environmental implications of trace met...

this study was carried out for the purpose of investigating the issue of tailings dams as a potential source of contamination by trace elements in soils at the sidi bou othmane mine in the marrakech region, morocco. soil samples taken from depths of up to 15 cm and within a radius of 50 m from the tailings dams, were analyzed for cd, cu, pb and zn using atomic absorption spectrometry. average c...

Introduction Conclusions References

Total Reflection X-Ray Fluorescence Analysis (TXRF) is an established technique for trace element analysis in various sample types. Restricted in the past to expensive large-scale systems, in this study the capability of a benchtop system for trace element analysis is reported. By analysing various heavy metals in raw and digested sewage as well as mercury in recycling glass, the suitability of...

A number of reports have demonstrated that human hair can be used as a reliable monitor of human exposure to toxic elements in the community or working environment.1-8) In these reports, hair samples were generally collected from inhabitants of different communities or from workers of different industrial firms who had been exposed to a variety of environmental pollutants. In most cases, hair a...