2007
DOI: 10.1002/jccs.200700063
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The Efficiency of a Microcolumn of Rice Bran for On‐line Trace Enrichment in FI‐AAS, a Highly Selective System for On‐line Preconcentration and Determination of Copper

Abstract: A flow injection flame atomic absorption spectrometry system incorporating a microcolumn of rice bran was designed, and its capability for on‐line trace enrichment of copper, cadmium and lead was studied. Analytes were deposited on the microcolumn by processing a standard or solution of analytes on the column. Injection of 250 μL of nitric acid (1 mol/L) then served to elute the retained species to FAAS. The procedure was successfully applied for determination of copper in tap water, well water and multivitami… Show more

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Cited by 3 publications
(2 citation statements)
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“…Environmental pollution is another global concern issue. Because of the abused mining and uncontrolled discharge of polluted water, versatile pollutes, such as heavy metal ions, organic dyes, and antibiotics have been draining into water and soil and then entering the human body through the chain of the ecological system. As a heavy metal ion, Ag + ion exhibits a strong affinity with various metabolites including imidazole, amine, carboxyl, and inactive sulfhydryl enzymes, hence resulting in toxicity to the human organism like epilepsy, argyria, and kidney/liver failure. To date, some analytical methods, such as atomic absorption spectroscopy, inductively coupled plasma mass spectrometry, and surface-enhanced Raman spectroscopy have been exploited to detect Ag + . But the development of an efficient method with high sensitivity and selectivity for the recognition of Ag + is strongly desired.…”
Section: Introductionmentioning
confidence: 99%
“…Environmental pollution is another global concern issue. Because of the abused mining and uncontrolled discharge of polluted water, versatile pollutes, such as heavy metal ions, organic dyes, and antibiotics have been draining into water and soil and then entering the human body through the chain of the ecological system. As a heavy metal ion, Ag + ion exhibits a strong affinity with various metabolites including imidazole, amine, carboxyl, and inactive sulfhydryl enzymes, hence resulting in toxicity to the human organism like epilepsy, argyria, and kidney/liver failure. To date, some analytical methods, such as atomic absorption spectroscopy, inductively coupled plasma mass spectrometry, and surface-enhanced Raman spectroscopy have been exploited to detect Ag + . But the development of an efficient method with high sensitivity and selectivity for the recognition of Ag + is strongly desired.…”
Section: Introductionmentioning
confidence: 99%
“…Flame atomic absorption spectroscopy is a versatile, simple and high speed instrument for direct determination of metal ions, [20][21][22][23][24][25] but its use in indirect determination of nonmetallic anions and drugs is limited. [26][27][28][29][30][31][32][33] To the best of our knowledge there is no report on the use of FAAS for indirect determination of sulphonamides drugs. In the present paper, an indirect simple, sensitive and precise cloud point extraction for separation and preconcentration of sulfadiazine as silver sulfadiazine followed by its determination by FIA-FAAS is described.…”
Section: Introductionmentioning
confidence: 99%