Solid-phase extraction using castor leaf powder can be applied
easily to determine low Cd(II) and Pb(II) concentrations using flame
atomic absorption spectrometry, which reduces the cost of analysis.
The observed adsorption capacities, 0.340 and 0.327 mmol g−1 for
Cd(II) and Pb(II) on castor leaf powder, respectively, are comparable
to those obtained for other adsorbents. Castor leaf powder is a green
adsorbent that does not require modification, and after grinding
and size fractionation, it can be applied immediately to remove
metals from water. These advantages make castor leaf powder an
interesting adsorbent with high potential for industrial, laboratory
and environmental applications.
Solid-phase extraction using castor leaf powder can be appliedeasily to determine low Cd(II) and Pb(II) concentrations using flameatomic absorption spectrometry, which reduces the cost of analysis.The observed adsorption capacities, 0.340 and 0.327 mmol g−1 forCd(II) and Pb(II) on castor leaf powder, respectively, are comparableto those obtained for other adsorbents. Castor leaf powder is a greenadsorbent that does not require modification, and after grindingand size fractionation, it can be applied immediately to removemetals from water. These advantages make castor leaf powder aninteresting adsorbent with high potential for industrial, laboratoryand environmental applications.
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