Copper Mining In South Africa

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Quantitative analysis Copper in an Ore David Robb, Tan Dao Abstract Three analytical methods were used to find the percent of copper in an ore. Gravimetric analysis, Electrogravimetric analysis, and spectrophotometric analysis. The mass percentage of copper was found as 10.45 in week 1 through electrodeposition and then found as 9.75 in week 2 through spectrophotometric analysis.

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Coal minister wants Coal India units to set prices independently. State-run Coal India, the worlds largest coal mining company by output, has seven units and accounts for more than four fifths of domestic production. It sets the price of various grades of coal in India after consultation with stakeholders. 14 Oct, 2020, 08.55 PM IST

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