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