Highly Sensitive Detection of Heavy Metal Elements Using Laser-Induced Breakdown Spectroscopy Coupled with Chelating Resin Enrichment

In this study, we demonstrate a unique method for the detection of heavy metals such as chromium (Cr), copper (Cu), lead (Pb), and nickel (Ni) at trace levels in aqueous solutions via laser-induced breakdown spectroscopy (LIBS) enriched using chelating resin. Reduction sample time preparation was shortened by tailoring processing with aid an enrichment method. The calibration curves LODs CH-90 resin enriching Cr, Cu, Pb, Ni cations were established under optimal conditions. linear correlation coefficients all above 0.98, limits 0.148 mg/L, 0.150 0.149 0.240 corresponding to Ni, respectively. quantitative evaluation obtained results signifies that proposed is highly sensitive detecting elements offers good correspondence acquired its model. Results comparison past studies suggests able achieve lower investigation.