Mass Spectrometer, 9.4 Tesla (IMAGE) DOE/Pacific Northwest National Laboratory Caption The 9.4 Tesla Fourier transform ion cyclotron mass spectrometer at Pacific Northwest National Laboratory measures peptides by their mass. The FTICR is currently the most powerful, commercially available mass spectrometer. Credit Courtesy of Pacific Northwest National Laboratory. Usage Restrictions Image courtesy of Pacific Northwest National Laboratory. Use of image shall not claim any expressed or implied affiliation with, or endorsement by, Battelle Memorial Institute, Pacific Northwest National Laboratory or the U.S. Department of Energy. License Licensed 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.