| Spectrophotometric method for the determination of vanadium in uranium rich hydrogeochemical samples using pyridyl azo resorcinol (PAR). | |
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MedLine Citation:
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PMID: 18965663 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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A simple and precise method has been developed for the determination of traces of vanadium(V), using 4-(2 pyridyl azo) resorcinol, in natural water samples, containing very high concentrations of uranium. CDTA-pyrophosphate buffer has been used for masking interferants, including uranium which otherwise interferes above 125 ppb. The reaction of vanadium with PAR in the presence of buffer requires a waiting period of 45 min. The Sandell sensitivity of the method is 0.003 microg/ml, at 545 nm at an optimum pH of 6.5 +/- 0.2. The precision of the method is +/- 15% at the 100 ppb level of vanadium(V). The method has been successfully applied to a number of natural water samples during hydrogeochemical exploration. |
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Authors:
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G Chakrapani; D S Murty; B K Balaji; R Rangaswamy |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Talanta Volume: 40 ISSN: 0039-9140 ISO Abbreviation: Talanta Publication Date: 1993 Apr |
Date Detail:
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Created Date: 2008-10-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 2984816R Medline TA: Talanta Country: England |
Other Details:
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Languages: eng Pagination: 541-4 Citation Subset: - |
Affiliation:
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Chemical Laboratory, Atomic Minerals Division, Department of Atomic Energy, Nagarbhavi, Bangalore 560072, India. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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