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ball mill cu zn pb ball mill cu zn pb machine ball mill cu zn pb in new zealand

ball mill cu zn pb ball mill cu zn pb machine ball mill cu zn pb in new zealand

Heavy metal Pb Zn Cd Fe and Cu contents of plant As expected foliar Pb and Zn concentrations were elevated in plants at the sites closest to the mill ie 025 and 25 km from the mine facility Copper and Fe both essential nutrients for plants were also elevated in foliage at the sites closest to the mill but not to a level that would be of

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