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Title: | The determination of lead, chromium, arsenic and selenium in sediments and soil samples by electrothermal atomic absorption spectrometry using chemical modifiers | Authors: | Dediu, Violeta Kim, Lidia Cosma, Cristiana Guta, Doina |
Keywords: | Chemical modifiers;Graphite furnace atomic absorption spectrometry;Sediment;Soil | Issue Date: | 2016 | Publisher: | National Research and Development Institute for Industrial Ecology, INCD-ECOIND | Abstract: | The effectiveness of some chemical matrix modifiers for the determination of lead, chromium, selenium and arsenic in sediments and soils by Zeeman electrothermal atomic absorption spectrometry have been evaluated. The addition of certain chemical modifiers decreases the volatility of the analyte element, preventing its loss during pyrolysis step while increasing the volatility of matrix components promoting a better separation also allows a higher pretreatment temperature for better separation between analyte and matrix. Pyrolysis and atomization temperatures, characteristic masses and detection limits of analytes in dissolved samples with and without modifiers have been compared. The method was validated by analysing certified reference lake sediment and soil materials. |
Description: | International Symposium "The Environment and the Industry", SIMI 2016 |
URI: | http://hdl.handle.net/123456789/369 10.21698/simi.2016.0058 |
ISSN: | L : 1843-5831 (on-line): 2457-8371 |
Appears in Collections: | SIMI 2016 |
Files in This Item:
File | Size | Format | |
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58-THE-DETERMINATION-OF-LEAD-CHROMIUM-ARSENIC-AND-SELENIUM-IN-SEDIMENTS.pdf | 638.41 kB | Adobe PDF | View/Open |
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