Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Harmesh K. Saini0
Date of Patent
November 20, 2007
0Patent Application Number
111788570
Date Filed
July 11, 2005
0Patent Primary Examiner
Patent abstract
In one embodiment, a method of neutralizing the matrix of an acidic solution including at least one metal using a weak anion exchange resin is provided. The method includes the acts of: activating the weak anion exchange resin with a weakly acidic metal complexing reagent, the weakly acidic metal complexing reagent partially disassociating into protons and metal complexing anions, whereby some functional groups in the weak anion exchange resin are protonated and bind with the metal complexing anions; and neutralizing a sample of the acidic solution with the activated weak anion exchange resin.
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