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Organomercury Species in the Florida Everglades


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  • Product Description

In this study, a new method was developed based on aqueous phenylation, purge-and-trap preconcentration, gas chromatography (GC) separation, and detection by atomic fluorescence spectrometry (AFS) or inductively coupled plasma mass spectrometry (ICPMS). Using the developed method, both monomethylmercury and monoethylmercury were detected in a number of soil and sediment samples collected from the Florida Everglades. The identity of monoethylmercury was verified by purge-and-trap-GC/MS analysis. The possibility of analytical artifact was excluded by using stable isotope tracer technique in combination with ICPMS detection. Soil incubation and sawgrass culture experiments using stable isotope tracers revealed that monomethylmercury was mainly produced by microbial activities under anaerobic conditions. However, ethylation of Hg was not confirmed in those experiments. Further experiments revealed that trace levels of ethyllead species were able to transfer ethyl groups to Hg in both deionized water and freshwater matrixes, producing monoethylmercury. This might partially accounted for the occurrence of monoethylmercury in the Florida Everglades.

Product Specifications
SKU :COC87551
AuthorYuxiang Mao
Number of Pages120
Publishing Year2013-01-17T00:00:00.000
Edition1 st
Book TypeChemistry
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00
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