journal article·2025-08

Leaf–like copper–based nanocomposites as adsorbents for dispersive solid-phase extraction: application to determination of cobalt in lemon balm tea using FAAS

Elif Yazıcı, Merve Fırat Ayyıldız, Süleyman Bodur, Sezgin Bakırdere

Journal of Nanoparticle Research· Volume 27· Issue 8
Publisher page

Abstract

This study proposed an analytical method named dispersive solid phase extraction–flame atomic absorption spectrometry (DSPE-FAAS) for the quantitation of cobalt in balm tea samples. Copper-based nanocomposites were used as adsorbent in the DSPE process. Influential DSPE parameters such as pH/volume of buffer solution, nanocomposite amount, sample volume, mixing type/period, and eluent concentration/volume were optimized to augment signal-to-noise ratio of cobalt. System analytical performance study for the DSPE-FAAS method was carried out, and limit of detection/quantitation (LOD/LOQ) values were recorded as 5.80 µg/kg and 19.33 µg/kg, with a relatively wide dynamic range (20.59 – 400.68 µg/kg). Spiked lemon balm tea samples were employed to perform recovery studies, and satisfactory recovery results were obtained between 76.7% and 128.1% via the external standard calibration method. According to the recorded recovery results, the proposed DSPE-FAAS method can be accurately applied to lemon balm tea samples in order to determine cobalt content.
Source: openaire · Quality: candidate unverified · Source record ↗

Research context

OpenAlex topics: Heavy Metals in Plants · Analytical chemistry methods development · Extraction and Separation Processes

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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