The present disclosure provides a new tandem mass spectrometer and methods of using the same for analyzing charged particles. The differentially pumped dual linear quadrupole ion trap mass spectrometer of the present disclose includes a combination of two linear quadrupole (LQIT) mass spectrometers with differentially pumped vacuum chambers.
STATEMENT OF GOVERNMENT RIGHTS
 Part of the development of this disclosure was made with government support from the Department of Energy (DOE) under grant number DE-SC0000997. The U.S. government has certain rights in the disclosure.