ArticleScientific reports2026
Solid phase extraction of Fe
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
The conversion of biological waste into high-value commodities is crucial for environmental conservation and sustainable economic development. Eggshells, a naturally occurring organic-inorganic biomaterial with a distinctive hierarchically porous structure, have been extensively studied in catalysis, adsorption, and energy sectors. The eggshell was found to be a unique candidate for the removal of Fe3+. K+ facilitated the removal efficiency selectively, and the formation of K+ sensor was made possible (Limit of quantification 1.7 × 10− 5 M, linear detection range 10− 4 M-10− 6 M). No other metal ion could facilitate such Fe3+ removal process (unlike K+). The adsorption (solid phase extraction) of Fe was Langmuir in nature with monolayer homogeneous adsorption. Potassium ferrocyanide was employed to monitor the removal efficiency very efficiently. A recyclable and inexpensive tactic of water purification is helpful for prototype applications.
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