Jailani, Nur Faizah Mohd and Tay, Kheng Soo and Mohamad, Sharifah (2024) Repurposing eggshell membrane, a natural food waste, for in-syringe membrane solid phase extraction: Mercury determination in water samples. Sustainable Chemistry and Pharmacy, 42. p. 101850. ISSN 2352-5541, DOI https://doi.org/10.1016/j.scp.2024.101850.
Full text not available from this repository.Abstract
A rapid, simple, and cost-effective method for the determination of mercury in water samples using an eggshell membrane (ESM) as a sorbent material in the in-syringe membrane solid-phase extraction (ISMSPE) technique has been developed. The utilization of ESM, a natural waste product and a cost-effective sorbent material for ISMSPE, presents a promising approach for the determination of mercury ions, Hg(II), in water samples prior to cold vapor AAS (CV-AAS) analysis. The selectivity study of ESM shows that ESM's adsorption performance for Hg(II) is the highest among other metals, by 44.2%. The optimization for Hg(II) preconcentration, which includes the choice of eluting reagent, concentration, and volume of the eluting reagent, the number of cycles of adsorption and desorption, and sample volume, is discussed in this study. The range of linearity of this method was 0.5-100 mu g/L, with a preconcentration factor of 80. This method exhibited good sensitivity, with an LOD and LOQ of 0.44 mu g/L and 1.32 mu g/L, respectively. The precision and accuracy of the method were also satisfactory, as indicated by the recoveries for three real water samples in the range of 89.3-99.7% and RSD% (n = 3), ranging from 1.0 to 8.0%. These findings demonstrate that the developed method is reliable and performs well in determining Hg(II) ions in real water samples. This study has successfully demonstrated ESM's potential as a valuable material for the preconcentration of Hg(II), offering an environmentally friendly approach that promotes sustainability.
| Item Type: | Article |
|---|---|
| Funders: | Ministry of Higher Education Malaysia via Fundamental Research Grant Scheme (FRGS/1/2019/STG01/UM/02/16), Ministry of Higher Education Malaysia (MybrainSc scholarship) |
| Uncontrolled Keywords: | Eggshell membrane; Mercury; In-syringe membrane solid phase extraction |
| Subjects: | Q Science > Q Science (General) Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Department of Chemistry |
| Depositing User: | Ms. Juhaida Abd Rahim |
| Date Deposited: | 24 Feb 2025 03:05 |
| Last Modified: | 24 Feb 2025 03:05 |
| URI: | http://eprints.um.edu.my/id/eprint/47257 |
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