Sustainable chlordecone remediation in the French West Indies – Detection and environmental rehabilitation : Analytical methods

Analytical methods
Sustainable chlordecone remediation in the French West Indies – Detection and environmental rehabilitation

4. Analytical methods

4.1 Chloride Analysis

Monitoring chloride levels helps confirm the degradation of chlordecone by measuring the released chlorides, but does not identify the degradation products. Two main techniques are used for this purpose.

Ion chromatography is a technique used to measure chloride concentrations. By measuring chloride ions in solution, it is possible to monitor increases in their levels, which may be related to the rate of degradation. KOH can be used as an eluent. The limit of quantification of 0.5 mg/L is achieved using a Dionex ICS-3 000 system (Dionex-ThermoScientific, Sunnyvale, CA) with an AS autosampler and an eluent generator. An IonPac AS15 anion exchange column (250 × 4 mm i.d., Dionex) coupled with an IonPac AG15 guard column (50 × 4 mm i.d.) was used for separation

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Analytical methods

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Conclusion

Bibliography

(1) - EPSTEIN (S.S.) - Kepone-Hazard evaluation. - In Science of The Total Environment, vol. 9, p. 1‑62 (1978). – 10.1016/0048-9697(78)90002-5
(2) - FINTZ (M.) - L'autorisation du chlordécone en France, 1968-1981. - IRIST – Institut de recherches interdisciplinaires sur les sciences et la technologie, p. 21 (2009).

Also in our database

BALLERINI (D.) - Traitements biologiques des sols. - [G 2 620]...

Standards and norms

Cette norme concerne l'analyse des sols et spécifie les méthodes pour la détermination de la chlordécone dans les échantillons de sol, garantissant des procédures standardisées pour évaluer la contamination des sols. - XP X33-012 -