Laboratory equipment for chemical sample preparation and for analysis of liquid chromatography samples and for use in mass spectroscopy, namely glass and metal pre-packed and empty columns, connecting tubes, tube benders, tube cutters, tube fittings, column packings, capillary columns, pumps, valves and injectors, filtering units and separators, containers for collecting and holding samples, liquid syringes, laboratory glassware, namely test tubes, tubes, pipettes and beakers, calibration instruments, thin layer chromatographic plates, and electrically driven recorders
Electrical and Scientific Apparatus