A reusable extractor for obtaining a representative sample of the exchangeable ions from a complex heterogeneously saturated ion exchange system such as {HEAD ~ soil} or other complex and colloidal matrices at various oxidation reduction potentials without the need for {TAIL ~ costly extraction and purification steps} 
A reusable extractor for obtaining a representative sample of the exchangeable ions from a complex heterogeneously saturated ion exchange system such as { HEAD ~ soil } or other complex and colloidal matrices at various oxidation reduction potentials without the need for { TAIL ~ costly extraction and purification steps }
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