SEARCH Articles Figures Tables Analyzers Double-Focusing Magnetic Sector Technology Double Focusing (Electrostatic and Magnetic Fields) Double focusing magnetic sector instrument Double-focusing magnetic sector Double-focusing magnetic sector mass analyzer Magnet, directional focusing Magnetic analyzer double-focus mass spectrometers Magnetic field focusing Magnetic sector analyzer double-focusing Magnetic sector mass spectrometers double-focusing Mass spectrometry magnetic focusing Single-focusing magnetic sector