Spectrum Chromatography manufactures instruments, columns and accessories for the low-pressure liquid chromatography market. Spectrum s most popular products include CF-1 fraction collectors, double-action syringes, ultraviolet light detectors, low-pressure chromatography columns, tubing cutters and gas/liquid syringes. Spectrum also manufactures a complete line of liquid chromatography instruments, including peristaltic pumps, solvent recyclers and flow-rate controllers. It also manufactures the Glenco line of laboratory syringes. These products are sold throughout the United States and internationally in Canada, France, The Netherlands and South Korea. Spectrum Chromatography is headquartered in Houston.