Chromatography apparatus for laboratory use; analytical instruments for physical, biological and chemical separations, measurements, screening, targeted analysis and identification, namely, gas and liquid chromatography apparatus for laboratory use containing pumps, detectors, injectors, autosamplers, heated column compartments; liquid chromatography columns; operating software for use with mass spectrometers; operating software for use with ion mobility instruments and particle accelerators; components of chromatography apparatus for laboratory use, namely, ion injectors, capillaries, nebulizer needles, electron multipliers, gas purifiers, oxygen and moisture gas traps, spray shields, chemical standards, solvents, caps, solvent reservoirs, and kits containing several of the aforementioned goods; racks and stands for laboratory use; spray chambers for laboratory use; cones for laboratory use; pump enclosures for laboratory use

In-tank return line filters