Alginate-coated cobalt ferrite nanocomposite for preconcentration of heavy metals using dispersive solid phase extraction

Key Points

• The aim is to develop an efficient method for preconcentrating trace heavy metals using a natural polymeric ferrite adsorbent.
• Developed alginate-coated cobalt ferrite nanocomposite
• Utilized dispersive solid-phase extraction for preconcentration
• Tested extraction efficiency with aqueous samples
• Achieved rapid and efficient removal of trace heavy metals
• Demonstrated reusability of the adsorbent
• Provided an environmentally friendly alternative for heavy metal analysis