NDLI: Synthesis of $CoFe_{2}O_{4}$/Peanut Shell Powder Composites and the Associated Magnetic Solid Phase Extraction of Phenoxy Carboxylic Acid Herbicides in Water

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Synthesis of $CoFe_{2}O_{4}$/Peanut Shell Powder Composites and the Associated Magnetic Solid Phase Extraction of Phenoxy Carboxylic Acid Herbicides in Water

Content Provider	MDPI
Author	Ji, Dongliang Huang, Zhaoqin Du, Buyun
Copyright Year	2022
Description	The magnetic biochar material $CoFe_{2}O_{4}$/PCPS (peanut shell powder) was prepared based on the hybrid calcination method. The properties of prepared composites and the extraction effect of magnetic solid phase extraction on phenoxy carboxylic acid herbicides were assessed. The morphology, crystal structure, specific surface area, and pore size distribution of the material were analysed using a transmission electron microscope (TEM), infrared Fourier transform infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and $N_{2}$ absorption surface analysis (BET). The results of the magnetic solid phase extraction of a variety of phenoxy carboxylic acid herbicides in water using $CoFe_{2}O_{4}$/PCPS composites showed that, when the mass ratio of $CoFe_{2}O_{4}$ and PCPS was 1:1, 40 mg of the composite was used, and the adsorption time was 10 min at pH 8.50. Methanol was used as the eluent, and the recovery rates of the three phenoxy carboxylic acid herbicides were maintained at 81.95–99.07%. Furthermore, the actual water sample analysis results showed that the established method had good accuracy, stability, and reliability.
Starting Page	8450
e-ISSN	16604601
DOI	10.3390/ijerph19148450
Journal	International Journal of Environmental Research and Public Health
Issue Number	14
Volume Number	19
Language	English
Publisher	MDPI
Publisher Date	2022-07-11
Access Restriction	Open
Subject Keyword	International Journal of Environmental Research and Public Health Environmental Engineering Magnetic Biochar Material Phenoxy Carboxylic Acid Herbicides Magnetic Solid Phase Extraction Actual Water Sample
Content Type	Text
Resource Type	Article

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