Introduction Selenium is an essential element to human health at low levels (2080 μg/L), but becomes toxic at elevated levels. Selenium exists in different forms that determine its toxicity and bioavailability. Current research is now focusing on the determination of individual selenium species or seleniumcontaining compounds. This can be done using ICP-MS as a selenium-specific detector for a ...

Background . Euphorbia fischeriana Steudel is used in traditional and herbal medicine Russia China. Its roots contain 241 chemical components, but there not enough knowledge about the plant’s elemental composition. Concentrations of elements plants have an impact effectiveness medical products. Materials methods The research was conducted Transbaikal region. Plants were analyzed using ICP-MS El...