Extended ICP-OES and AAS analysis of floated polysulphide concentrate from the Asgat polymetallic ore revealed that contains 0.91% silver, 18.2% copper, 19.4% antimony, 2.03% arsenic 1.6% bismuth together with other elements. The prevailing minerals in are tetrahedrite, bismuthinite, chalcopyrite, arsenopyrite pyrite non-ore i.e. siderite, muscovite quartz. content above was estimated by X-ray ...

background: due to the increasing pollution of water resources, this study was carried out for evaluation of water quality pollution indices for monitoring of heavy metals (as, zn, pb and cu) contamination in ghahavand plain, hamadan province, western iran during spring and summer 2012. methods: totally, 20 ground water wells were chosen randomly. the samples were filtered (0.45 μm) and maintai...

Egypt has several beaches, as well the Nile River and a few lakes; therefore, it could compensate for lack of protein in red meat with fish. Fish, however, may become source heavy metal exposure humans. The current study was to assess level five toxic metals, lead (Pb), cadmium (Cd), mercury (Hg), arsenic (As), aluminum (Al), six species, namely, Oreochromis niloticus ( O. ) , Mugil cephalus M....