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Short torch design for direct liquid sample introduction using conventional and micro-nebulizers for plasma spectrometry

United States Patent

January 8, 2008
View the Complete Patent at the US Patent & Trademark Office
An apparatus and method for providing direct liquid sample introduction using a nebulizer are provided. The apparatus and method include a short torch having an inner tube and an outer tube, and an elongated adapter having a cavity for receiving the nebulizer and positioning a nozzle tip of the nebulizer a predetermined distance from a tip of the outer tube of the short torch. The predetermined distance is preferably about 2-5 mm.
Montaser; Akbar (Potomac, MD), Westphal; Craig S. (Landenberg, PA), Kahen; Kaveh (Montgomery Village, MD), Rutkowski; William F. (Arlington, VA)
The George Washington University (Washington, DC)
11/ 018,919
December 22, 2004
This application was made with United States Government support under Grant No. DE-FG02-93ER14320 awarded by the U.S. Department of Energy. The U.S. Government has certain rights in the invention.