RADIUM $120,000 A GRAMME.
The Standard Chemical Company of Pittsburgh produced eighteen small thimblefuls of radium sulphate last year, which were sold for 2,160,000'd015. Radium is put up in milligrams and sealed by the United States Bureau of Standards. One thousand millgrams, or one gramme, would just about fill a thimble, if that much were even obtained together in any one place. According to an estimate by an official of the chemical company, there are now about 120 grammes of radium in the world. Five hundred tons of carnotite are taken out of Colorado mines and 125 tons of each five hundred shipped to Pittsburgh. One-half ton results from preliminary refining processes, and approximately one gramme of radium is the final result of the extraction. It sells for 120,000 dol. a gramme.
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Thames Star, Volume LVII, Issue 14727, 4 August 1921, Page 8
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132RADIUM $120,000 A GRAMME. Thames Star, Volume LVII, Issue 14727, 4 August 1921, Page 8
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