Method and apparatus for mobile phase ion chromatography and...

Details Method and apparatus for mobile phase ion chromatography and... Method and apparatus for mobile phase ion chromatography and...

G - Physics

01

N

324/27

G01N 30/64 (2006.01) G01N 30/96 (2006.01) G01N 30/02 (2006.01) G01N 30/60 (2006.01)

Patent

CA 1207026

Abstract of the Disclosure A mobile liquid phase including an ion exchange site-forming compound is directed through a porous hydrophobic chromatographic separation medium without permanently attached ion exchange sites. Such compounds include a hydrophobic counter-ion opposite in charge to the ionic species to be separated,which form reversible adsorptive bonds with the chromatographic medium. The effluent from the chromatographic medium is contacted with a membrane separating a compartment for the effluent and one for a regenerant. The membrane includes exchangeable ions capable of converting the co-ions of the ion exchange site forming compoùnd to weakly ionized form. The ionic species are detected, suitably by a conductivity detector.

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