Extracting magnesium from salt (IMAGE) DOE/Pacific Northwest National Laboratory Caption The laboratory-scale flow device for extracting magnesium salt. Credit Photograph courtesy of Qingpu Wang | Pacific Northwest National Laboratory Usage Restrictions None 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.