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This work reports a fast and efficient procedure for mercury species extraction using Universol® as extractor reagent in soil and sediment samples combined with the cold vapor generation atomic absorption spectrometry (CV AAS) technique. Hg total was determined after oxidation CH3Hg+ to Hg2+ with KMnO4 and reduction Hg2+ to Hg0 with NaBH4. To ensure specificity and sensitivity in the Hg2+ determination,...
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