Towards a sustainable rice husk ash-derived solid-phase extraction: Perfluoroalkyl substances as probe contaminants of waters DOI Creative Commons
Petra Bianchini, Francesca Merlo, Mirko Prato

et al.

Journal of Chromatography Open, Journal Year: 2024, Volume and Issue: 6, P. 100165 - 100165

Published: July 26, 2024

Rice husk ash is an important waste of agricultural industry that, within the framework circular economy, has been easily converted into a sustainable sorbent material. This was tested in this work for pre-concentration perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic (PFOS), representative perfluoroalkyl substances as probe environmental pollutants waters, with HPLC-MS/MS quantification. The preparation involves rapid microwave-assisted oxidation followed by hydrothermal treatment, which studied using 22 design experiments. final material thoroughly characterized its affinity to target analytes solid-phase extraction waters wastewaters. Recoveries range 67–113 % (RSD < 11 %, n = 3) were achieved at environmentally relevant concentrations (10, 50, 100 ng L-1) reusable least ten consecutive extractions. Good linearity (R2 0.9997) observed, method quantification limit water sample 10 L-1 that allows analysis PFOA PFOS below established limits. evaluated greenness AGREEprep SPMS metrics, it then applied actual samples from Northern Italy.

Language: Английский

Towards a sustainable rice husk ash-derived solid-phase extraction: Perfluoroalkyl substances as probe contaminants of waters DOI Creative Commons
Petra Bianchini, Francesca Merlo, Mirko Prato

et al.

Journal of Chromatography Open, Journal Year: 2024, Volume and Issue: 6, P. 100165 - 100165

Published: July 26, 2024

Rice husk ash is an important waste of agricultural industry that, within the framework circular economy, has been easily converted into a sustainable sorbent material. This was tested in this work for pre-concentration perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic (PFOS), representative perfluoroalkyl substances as probe environmental pollutants waters, with HPLC-MS/MS quantification. The preparation involves rapid microwave-assisted oxidation followed by hydrothermal treatment, which studied using 22 design experiments. final material thoroughly characterized its affinity to target analytes solid-phase extraction waters wastewaters. Recoveries range 67–113 % (RSD < 11 %, n = 3) were achieved at environmentally relevant concentrations (10, 50, 100 ng L-1) reusable least ten consecutive extractions. Good linearity (R2 0.9997) observed, method quantification limit water sample 10 L-1 that allows analysis PFOA PFOS below established limits. evaluated greenness AGREEprep SPMS metrics, it then applied actual samples from Northern Italy.

Language: Английский

Citations

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