When columns must be regenerated following each analysis, this technique permits automation of the process. While one column performs the analysis, the second column undergoes regeneration by use of an auxiliary pump. Once the first analysis is complete, the valve is switched and the regenerated column is now ready for analytical use.
INJECTORS, SELECTORS, AND VALVES (Which one do I need?) ACTUATORS FITTINGS PRODUCTS FOR GC LIQUID HANDLING ADDITIONAL PRODUCTS UHPLC / NANO LC
PRODUCT SUPPORT VALVE APPLICATIONS CHROMATOGRAMS GENERAL REFERENCE UNIT CONVERSION REGULATORY SUPPORT