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Posted by on Saturday, November 7, 2009 at 2:57pm.

what is the main ingredient in 22-karet gold? is it copper,tin,gold,or steel?

  • integrated physics and chemistry - , Saturday, November 7, 2009 at 3:01pm

    24-k gold is pure gold. So 22-k is 22/24 gold and 2/24 something else.

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