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Molybdenum roaster-flue dusts

Rhenium does not occur free in nature or as a compound in a distinct mineral species. It is, however, widely spread throughout the earth s crust to the extent of about 0.001 ppm. Commercial rhenium in the U.S. today is obtained from molybdenum roaster-flue dusts obtained from copper-sulfide ores mined in the vicinity of Miami, Arizona, and elsewhere in Arizona and Utah. [Pg.134]

See other pages where Molybdenum roaster-flue dusts is mentioned: [Pg.393]    [Pg.393]    [Pg.680]    [Pg.672]    [Pg.659]    [Pg.754]    [Pg.728]    [Pg.718]    [Pg.752]    [Pg.672]   
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