Abstract
An improved liquid feed system for the Berglund-Liu vibrating orifice monodisperse aerosol generator (VOMAG) is described. The feed system employs a positive-displacement pump and pulse dampener to provide an accurate solution feed rate to the VOMAG. Advantages over the syringe pump feed system are reduced orifice clogging, elimination of leaks, and large solution reservoir for increased run times. Solution feed rate to the VOMAG using this feed system was reproducible to +/-2%. The system was low cost and required only a simple calibration.
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