9 Apparatus and instruments for electrophoresis and mass spectrometry; capillary electrophoresis apparatus not for medical purposes; mass spectrometry apparatus; ion source as an interface for capillary electrophoresis-mass spectrometry systems; Laboratory furniture; Furniture especially made for laboratories; Laboratory consumables, namely, electrospray emitters; Laboratory consumables, namely capillary electrophoresis tubes and capillary electrophoresis columns; Laboratory consumables, namely, reagent kits for capillary electrophoresis and mass spectrometry; Laboratory consumables, namely, reagent kits for capillary electrophoresis and mass spectrometry identification of monoclonal antibody charge variants and reagent and chemical standards for capillary electrophoresis and mass spectroscopy; Laboratory consumables, namely, sample buffers and running buffers for capillary electrophoresis and mass spectroscopy, sheath liquid for capillary electrophoresis and mass spectroscopy; Laboratory consumables, namely, containers for laboratory use such as vials, storage caps, bottles, and flasks; Laboratory consumables, namely racks for sample storage, reagent storage, buffer storage, and collection tube storage; Laboratory consumables, namely, tubing for capillary electrophoresis and mass spectroscopy; Laboratory consumables, namely, electrospray emitter storage boxes and ion source covers; Laboratory consumables, namely, pipettes and pipette tips, disposable gloves for laboratory use