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Determination of Trace Elements in Atmospheric Samples by Ultrasonic Probe Microextraction and ICP-MS
| Content Provider | Semantic Scholar |
|---|---|
| Author | Carretero-Peña, Selena Palomo-Marín, M. R. Rueda-Holgado, Fernando Calvo, Lorenzo Martínez Pinilla-Gil, Eduardo |
| Copyright Year | 2018 |
| Abstract | Pb is a relevant atmospheric pollutant, mainly associated to particulate matter (PM). In this work, an ultrasound probe-assisted microextraction (UAME) pretreatment methodology has been optimized and validated for the extraction of Pb from atmospheric particulate matter samples before determination by ICP-MS. Factors that influence the ultrasonic extraction procedure were evaluated and optimized using a Box-Behnken design in conjunction with a response surface methodology, by assaying a PM certified reference material. The optimum conditions obtained for the Pb extraction are 62.5% of sonication amplitude, 200 s of sonication time, 47.5% v/v HNO3 as extracting medium, and sample/solvent ratio of 35 mg/mL. The US-probe assisted extraction methodology was applied to real PM from active and passive sampling for the extraction of Pb and other relevant elements such As, Cd and Cu. Analytical results demonstrated that ultrasonic microextraction is an efficient tool for the extraction of Pb and Cu from atmospheric samples, faster and greener than standard high temperature acid digestion. |
| Starting Page | 1295 |
| Ending Page | 1295 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| Volume Number | 2 |
| Alternate Webpage(s) | https://www.mdpi.com/2504-3900/2/20/1295/pdf/1 |
| Alternate Webpage(s) | https://res.mdpi.com/proceedings/proceedings-02-01295/article_deploy/proceedings-02-01295.pdf?attachment=1&filename= |
| Alternate Webpage(s) | https://doi.org/10.3390/proceedings2201295 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
