| Title: |
Analysis of Total Mercury in Soils Using ICP-AES Compared to the Combustion Method ; L'analyse du mercure total dans les sols par ICP-AES comparée à la méthode par combustion |
| Authors: |
Valette, Mathilde; Geniez, Maxime; Tella, Marie |
| Contributors: |
Analyses des eaux, sols et végétaux (US Analyses); Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad); BioWooEB (UPR BioWooEB); Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Université de Montpellier (UM) |
| Source: |
ISSN: 2823-2283. |
| Publisher Information: |
CCSD; INRAE |
| Publication Year: |
2024 |
| Collection: |
Université de Montpellier: HAL |
| Subject Terms: |
Aqua regia extract; Soil; Cold steam; Total mercury; Extraction eau régale; Vapeur froide; Mercure total; Sol; [CHIM.ANAL]Chemical Sciences/Analytical chemistry; [SDV.SA.SDS]Life Sciences [q-bio]/Agricultural sciences/Soil study |
| Description: |
National audience ; Anthropogenic mercury pollution of soils poses risks to both the environment and human health. To provide researchers with analytical capabilities to quantify total mercury in soils using the equipment available in its analytical facility, the Analysis Service Unit of CIRAD has implemented a method proposed by Agilent. This method employs inductively coupled plasma atomic emission spectrometry (ICP-AES) combined with microwave-assisted extraction of elements soluble in aqua regia. The selected spectroscopic analysis technique, based on a multimode sample introduction system (M-SIS) into the plasma of an ICP-AES, meets analytical needs while requiring minimal investment for laboratories already equipped with an emission spectrometer. The results demonstrate good accuracy of the "Aqua Regia Extraction / ICP-AES/MSIS Analysis" method on various soil reference materials. Although the sensitivity of ICP-AES is lower than that of the dry combustion method—the reference method for quantifying mercury in solid matrices—the proposed method performs well beyond the quantification requirements for Hg in soils. This method represents an excellent compromise between cost and analytical performance, enabling accurate assessments of mercury contamination in soils. It can also serve as a reference for other laboratories operating in similar contexts. ; La pollution anthropique des sols en mercure entraîne des risques pour l’environnement et la santé. Afin de fournir aux chercheurs des capacités analytiques pour quantifier le mercure total dans les sols à partir des équipements disponibles dans son parc analytique, l’unité de service Analyses du CIRAD a mis en application une méthode proposé par la société Agilent utilisant la spectrométrie d'émission atomique à plasma à couplage induit (ICP-AES) associée à une digestion des éléments solubles dans l’eau régale assistée par micro-ondes. La technique choisie d’analyse spectroscopique, basée sur un kit d'introduction à multimode (M-SIS) dans le plasma d’un ICP ... |
| Document Type: |
article in journal/newspaper |
| Language: |
French |
| DOI: |
10.17180/novae-2024-NO-art07 |
| Availability: |
https://hal.inrae.fr/hal-05552046; https://hal.inrae.fr/hal-05552046v1/document; https://hal.inrae.fr/hal-05552046v1/file/novae-2024-NO-art07.pdf; https://doi.org/10.17180/novae-2024-NO-art07 |
| Rights: |
https://creativecommons.org/licenses/by-sa/4.0/ ; info:eu-repo/semantics/OpenAccess |
| Accession Number: |
edsbas.734272D5 |
| Database: |
BASE |