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Heavy metals are released into the environment by both anthropogenic and natural sources. Highly reactive and often toxic at low concentrations, they may enter soils and groundwater, bioaccumulate in food webs, and adversely affect biota. Heavy metals also may remain in the environment for years, posing longterm risks to life well after point sources of heavy metal pollution

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This article presents an overview of the mechanism of chromium (Cr) stress in plants. Toxic effects of Cr on plant growth and development depend primarily on its valence state. Cr(VI) is highly toxic and mobile whereas Cr(III) is less toxic. Crinduced oxidative stress involves induction of lipid peroxidation in plants that cause severe damage to cell membranes which includes degradation of

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ICPOES spectrometers, also known as ICPAES or ICP plasma spectrometers, have become an indispensable tool for chemical elemental analysis. Find out more.

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Rio Tinto pays former chief executives deferred incentive plan awards. SYDNEY(BUSINESS WIRE) As previously disclosed, in light of the ongoing investigations by regulators into a payment made to a consultant in relation to the Simandou iron ore project in Guinea, a deed of deferral was mutually agreed between Rio Tinto and Sam Walsh, as a matter of good corporate governance.

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