Supercritical fluid extraction of metals using bis(2,4,4-trimethyl-pentyl) monothiophosphinic acid as chelating agent for subsequent ICP-MS analyses of mercury, cadmium and lead in sediment

Roa, EC, Schultz, M and Capangpangan, MB 2011, Supercritical fluid extraction of metals using bis(2,4,4-trimethyl-pentyl) monothiophosphinic acid as chelating agent for subsequent ICP-MS analyses of mercury, cadmium and lead in sediment, E-journal of chemistry, vol. 8, no. 3, pp. 1114-1119, doi: 10.1155/2011/739216.

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Title Supercritical fluid extraction of metals using bis(2,4,4-trimethyl-pentyl) monothiophosphinic acid as chelating agent for subsequent ICP-MS analyses of mercury, cadmium and lead in sediment
Author(s) Roa, EC
Schultz, MORCID iD for Schultz, M orcid.org/0000-0001-7967-5147
Capangpangan, MB
Journal name E-journal of chemistry
Volume number 8
Issue number 3
Start page 1114
End page 1119
Total pages 6
Publisher Hindawi Publishing Corporation
Place of publication Cairo, Egypt
Publication date 2011
ISSN 0973-4945
Keyword(s) SFE conditions
CRM
cyanex
optimization
digestion
science & technology
physical sciences
chemistry
Summary This study investigated and validated the optimum conditions for a supercritical fluid extraction (SFE) method using bis(2,4,4-trimethylpentyl)-monothiophosphinic acid as a chelating ligand, for subsequent ICP-MS analyses of mercury, cadmium and lead in sediment. Several combinations of pressure, temperature and modifier (P-T-M) conditions for SFE were tested and an appropriate collection solvent was also determined using a sediment certified reference material (CRM) as sample, to determine the optimum set of conditions. Validation results of the optimized method indicated high percent recoveries which are better compared to standard methods.
Language eng
DOI 10.1155/2011/739216
HERDC Research category CN.1 Other journal article
ERA Research output type C Journal article
Copyright notice ©2011, Hindawi Publishing Corporation
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30113215

Document type: Journal Article
Collections: School of Life and Environmental Sciences
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