Show in connection with the recovery and extraction dorkof work radium from ores the reno station has taken up a probie which has long been waiting for attention the co prep tation of radium and barium bariuan from solution an attern Pt will be made to determine whether the phenomenon is is one of absorption tion and how complete the precipitation co is is and an other si similar milar points attention will also be paid to sow sol recent claims of the separation of radium and barium by fractional precipitation as chromate in acid sa lution more headwork at crossings less surgical f work at 1101 no petals |