Mass spectrometry instruments, namely, mass spectrometers and structural parts and structural fittings therefor; ion mobility mass spectrometry instruments; time of flight mass spectrometry instruments; mass spectrometry instrument systems for use with chromatography apparatus and instruments comprised of mass spectrometers, computer hardware and recorded computer operating software, and structural parts and fittings therefor; recorded and downloadable operating software for laboratory and scientific apparatus and instruments; recorded and downloadable computer software for laboratory informatics; recorded and downloadable computer software for collecting, manipulating, analyzing, storing, and reporting data in chromatography and mass spectrometry applications