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:
Aug. 29, 1989
Filed:
Mar. 11, 1985
Richard A Mowery, Jr, Bartlesville, OK (US);
Applied Automation, Inc., Bartlesville, OK (US);
Abstract
An apparatus and method for the ion chromatographic analysis of ionic species of a common first polarity opposite to a second polarity employ an eluant ion suppressor cell having two electrodes. The ionic species to be analyzed and an eluant solution are introduced in solution to an ion exchange resin bed. The eluant solution essentially consists of an eluting reagent in solution such that the eluting reagent is ionized to form first eluant ions of the first polarity and second eluant ions of the second polarity. An effluent essentially consisting of separated ionic species, first eluant ions and second eluant ions in solution is discharged from the resin bed. The effluent is introduced through an inlet in the suppressor cell such that the effluent flows along a surface of the first and second electrodes. An electrical voltage is applied to the electrodes so as to maintain the first electrode at the first polarity and the second electrode at the second polarity. Furthermore, the voltage is maintained at a level sufficient to substantially neutralize first eluant ions flowing along the second electrode surface. Effluent portions flowing closely adjacent to the first and second electrode surfaces are passed out respective first and second outlets which are located downstream from the cell inlet. Effluent flowing from the second cell outlet is passed to a detector which detects the ionic species.