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milligrams |
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| navigate by keyword : amount ampoule chemistry closeup education element expensie expensive flakes gold macro metal milligrams more natural object periodic pure red rhodium same school science some system than times very worth |
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| Macro of ampoule with some milligrams of the periodic element No 45 Rhodium Rh, a very expensie element 5 times more worth than the same amount of pure gold. |
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