THE HEAVY METALS CONTENT OF RAW MATERIALS AND EXTRACTS RESEARCH
In this article the results of research of quantitative content of heavy metals (cadmium, copper, zinc, lead) in raw materials of 8 types of water-marsh plants are presented. The heavy metals content of Menyanthes trifoliata leaves collected in different habitats have been studied. The heavy metals transfer from the raw into water and water-alcohol extracts have also been studied.