The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 1996
Filed:
Jul. 20, 1994
Applicant:
Inventors:
Stephen D Fuerstenau, Berkeley, CA (US);
John B Fenn, Richmond, VA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; H01J / ;
U.S. Cl.
CPC ...
250282 ; 250288 ;
Abstract
An electrospray mass spectrometric method for analyzing an aqueous solution containing inorganic ion species first enhances the signals for small inorganic ions in electrospray mass spectrometric analysis of aqueous solutions by substantially diluting a sample of the aqueous solution with an organic solvent. The method also removes solvent molecules and other ligands from the small inorganic ions formed in electrospray ionization before mass analysis is complete, by appropriate application of electric fields to accelerate the ions so they will have energetic collisions with neutral gas molecules.