Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 13, 2007
Patent Application Number
10643751
Date Filed
August 19, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
An inexpensive electrospray mass spectrometer capable of performing measurements consecutively from the ESI mode to the cold-spray ionization mode and vice versa. The electrospray mass spectrometer has an electrospray ion source, a nebulization nozzle, and a sampling orifice. The axes of the nozzle and orifice intersect each other. The instrument has a movable cold-spray desolvation chamber. In the electrospray ionization mode, the desolvation chamber is placed off the axis of the nebulization nozzle. In the cold-spray ionization mode, the desolvation chamber is set on the axis of the nebulization nozzle.
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