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Title: Alkaline earth cation extraction from acid solution

An extractant medium for extracting alkaline earth cations from an aqueous acidic sample solution is described as are a method and apparatus for using the same. The separation medium is free of diluent, free-flowing and particulate, and comprises a Crown ether that is a 4,4'(5')[C.sub.4 -C.sub.8 -alkylcyclohexano]18-Crown-6 dispersed on an inert substrate material.
Authors:
 [1] ;  [2]
  1. (Elmhurst, IL)
  2. (Naperville, IL)
Publication Date:
OSTI Identifier:
875009
Report Number(s):
US 6511603
DOE Contract Number:
W-31109-ENG-38
Resource Type:
Patent
Research Org:
Argonne National Laboratory (ANL), Argonne, IL
Country of Publication:
United States
Language:
English
Subject:
alkaline; earth; cation; extraction; acid; solution; extractant; medium; extracting; alkaline; earth; cations; aqueous; acidic; sample; solution; described; method; apparatus; separation; medium; free; diluent; free-flowing; particulate; crown; 445csub4; -csub8; -alkylcyclohexano18-crown-6; dispersed; inert; substrate; material; alkaline earth; alkaline earth; acid solution; sample solution; aqueous acid; aqueous acidic /210/423/428/502/588/