presence of nickel in chrome ore

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  • Plasma Furnaces in Africa pyrometallurgy.co.za

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    Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in group 6.It is a steely-grey, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point.The name of the element is derived from the Greek word χρμα, chrōma, meaning color, because many chromium

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    Unlike emerald which owes its green color to the presence of chromium, the color of chrysoprase is due to trace amounts of nickel compounds in the form of very small inclusions. The nickel reportedly occurs as different silicates, like kerolite or pimelite (not NiO mineral, bunsenite, as was reported before). Chrysoprase results from the deep

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    Oriental Journal of Chemistry is a peer reviewed quarterly research journal of pure and applied chemistry. It publishes standard research papers in almost all thrust areas of current chemistry of academic and commercial importance.

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