The New Encyclopędia Britannica, Volume 16Encyclopędia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 148
Later uses for copper VOCAL MUSIC ( SONGS ) : Twelve Poems of Emily Dickinson The first two letters of the Latin name constitute the ( 1950 ) ; The Tender Land : “ Laurie's Song " ( 1954 ) . chemical symbol Cu .
Later uses for copper VOCAL MUSIC ( SONGS ) : Twelve Poems of Emily Dickinson The first two letters of the Latin name constitute the ( 1950 ) ; The Tender Land : “ Laurie's Song " ( 1954 ) . chemical symbol Cu .
Page 149
Table 1 : General Classification of the Ore Minerals of Copper formula copper ( percent ) * Cu 99.9 Native copper ore Native copper Sulfide ores Chalcocite Covellite Chalcopyrite Bornite Enargite Tetrahedrite Oxide ores Cuprite Tenorite ...
Table 1 : General Classification of the Ore Minerals of Copper formula copper ( percent ) * Cu 99.9 Native copper ore Native copper Sulfide ores Chalcocite Covellite Chalcopyrite Bornite Enargite Tetrahedrite Oxide ores Cuprite Tenorite ...
Page 150
tive in exploiting low - grade copper - bearing material . In this procedure , dilute sulfuric acid is allowed to trickle through the ore , extracting the copper in the form of a solution of copper sulfate . The copper is recovered from ...
tive in exploiting low - grade copper - bearing material . In this procedure , dilute sulfuric acid is allowed to trickle through the ore , extracting the copper in the form of a solution of copper sulfate . The copper is recovered from ...
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