Electrospray mass spectrometer and ion source

Details Electrospray mass spectrometer and ion source Electrospray mass spectrometer and ion source

2007-03-13

2007-03-13

Vanore, David A. (Department: 2881)

Radiant energy

Ion generation

With sample vaporizing means

C250S288000

Reexamination Certificate

active

10643751

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.

REFERENCES:
patent: 6977369 (2005-12-01), Yamaguchi et al.
patent: 1174903 (2002-01-01), None
patent: 2000-285847 (2000-10-01), None
patent: 2002-015697 (2002-01-01), None

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