Does anyone have web addresses or human contacts for the following?

Which resin systems for IX retrieve metals better (Cu, Mn, Pb, Sn, Ag, Au, Ni, Fe, Mg, Ca, Na, K)?
Are there resin systems specific to certain ions?

or Would one be better off with RO?

Which system lends itself better for a small, non-continuous stream say 10 - 30gpm when in use?
Which system can handle a whole plant stream better?

                              Paul Wilson
                              Plant Chemist
                   Circuit Center, Inc.
                 4738 Gateway Circle
                  Dayton, OH 45440

          Phone (937) 435-2131     Fax (937) 435-7698
            http://www.circuitcenter.com

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