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Regular samples were required of the feed to a copper processing plant, having a copper content of about 9 % . The confidence level of
Regular samples were required of the feed to a copper processing plant, having a copper content of
about The confidence level of estimation was required to be Cu at sigma standard deviation.
The liberation size of the Cu mineral chalcocite in the ore was determined to be mu m A sieve analysis showed that the pass size and passing size were cm and mu m respectively.
Determine the minimum mass of sample required to represent the ore. Given; the density of
chalcocite is kgm and the density of the gangue is kgm
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