Purified promethium-147 (IMAGE) DOE/Oak Ridge National Laboratory Caption Purified Pm-147 has gone through several steps in ORNL's Radiochemical Engineering and Development Center. Credit Carlos Jones/ORNL, U.S. Dept. of Energy Usage Restrictions Use with credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.