Fully automatic on-line separation preconcentration system for electrothermal atomic absorption spectrometry: Determination of cadmium and lead in sea-water
An automatic separation preconcentration system coupled to an electrothermal (graphite furnace) atomic absorption spectrometer is described. The preconcentration step is performed on a chelating resin microcolumn (Chelex-100) placed in the injection tip of the autosampler. A time based manifold with...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
| Publicado: |
1997
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
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| LEADER | 08213caa a22012257a 4500 | ||
|---|---|---|---|
| 001 | PAPER-20051 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518205126.0 | ||
| 008 | 190411s1997 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0030879113 | |
| 024 | 7 | |2 cas |a Cadmium, 7440-43-9; Lead, 7439-92-1 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 030 | |a ANALA | ||
| 100 | 1 | |a Fernández, F.M. | |
| 245 | 1 | 0 | |a Fully automatic on-line separation preconcentration system for electrothermal atomic absorption spectrometry: Determination of cadmium and lead in sea-water |
| 260 | |c 1997 | ||
| 270 | 1 | 0 | |m Troccoli, O.E.; Laboratorio de Analisis de Trazas, Departamento de Quimica Inorganica, Universidad de Buenos Aires, (1428), Buenos Aires, Argentina |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a An automatic separation preconcentration system coupled to an electrothermal (graphite furnace) atomic absorption spectrometer is described. The preconcentration step is performed on a chelating resin microcolumn (Chelex-100) placed in the injection tip of the autosampler. A time based manifold with two- and three-way solenoid valves commanded by an eight channel microcomputer programmable controller is used for column conditioning, preconcentration and washing steps; no manual operations are involved. Elution is performed by the programmable graphite furnace autosampler and achieved in only one step. Operations involving complete and partial injection of the eluate into the graphite furnace are also discussed. The system was applied to the determination of Cd and Pb in near shore sea-water from Patagonia, Argentina. Detection limits of 1 and 8 ng 1-1 were obtained for Cd and Pb respectively. Analysis of a certified reference material (CASS-3) showed good agreement with the certified values. |l eng | |
| 593 | |a Laboratorio de Análisis de Trazas, Departamento de Química Inorgánica, Analítica y Química Fisica, Ciudad Universitaria, (1428), Buenos Aires, Argentina | ||
| 690 | 1 | 0 | |a CADMIUM |
| 690 | 1 | 0 | |a ELECTROTHERMAL ATOMIC ABSORPTION SPECTROMETRY |
| 690 | 1 | 0 | |a FLOW INJECTION |
| 690 | 1 | 0 | |a LEAD |
| 690 | 1 | 0 | |a SEA-WATER |
| 690 | 1 | 0 | |a CADMIUM |
| 690 | 1 | 0 | |a CHELATING AGENT |
| 690 | 1 | 0 | |a HEAVY METAL |
| 690 | 1 | 0 | |a LEAD |
| 690 | 1 | 0 | |a SEA WATER |
| 690 | 1 | 0 | |a ANALYTIC METHOD |
| 690 | 1 | 0 | |a ARTICLE |
| 690 | 1 | 0 | |a ATOMIC ABSORPTION SPECTROMETRY |
| 690 | 1 | 0 | |a AUTOANALYSIS |
| 690 | 1 | 0 | |a CHELATION |
| 690 | 1 | 0 | |a CONTROLLED STUDY |
| 690 | 1 | 0 | |a FLOW INJECTION ANALYSIS |
| 690 | 1 | 0 | |a MICROCOMPUTER |
| 690 | 1 | 0 | |a STANDARD |
| 690 | 1 | 0 | |a WATER ANALYSIS |
| 690 | 1 | 0 | |a AUTOMATIC DATA PROCESSING |
| 690 | 1 | 0 | |a CADMIUM |
| 690 | 1 | 0 | |a LEAD |
| 690 | 1 | 0 | |a SEAWATER |
| 690 | 1 | 0 | |a SENSITIVITY AND SPECIFICITY |
| 690 | 1 | 0 | |a SPECTROPHOTOMETRY, ATOMIC |
| 651 | 4 | |a ARGENTINA | |
| 700 | 1 | |a Stripeikis, J.D. | |
| 700 | 1 | |a Tudino, M.B. | |
| 700 | 1 | |a Troccoli, O.E. | |
| 773 | 0 | |d 1997 |g v. 122 |h pp. 679-684 |k n. 7 |p ANALYST |x 00032654 |w (AR-BaUEN)CENRE-426 |t Analyst | |
| 856 | 4 | 1 | |u https://www.scopus.com/inward/record.uri?eid=2-s2.0-0030879113&doi=10.1039%2fa607598c&partnerID=40&md5=8c9ecf563b09dbd7744c4e52e71245c4 |y Registro en Scopus |
| 856 | 4 | 0 | |u https://doi.org/10.1039/a607598c |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_00032654_v122_n7_p679_Fernandez |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00032654_v122_n7_p679_Fernandez |y Registro en la Biblioteca Digital |
| 961 | |a paper_00032654_v122_n7_p679_Fernandez |b paper |c PE | ||
| 962 | |a info:eu-repo/semantics/article |a info:ar-repo/semantics/artículo |b info:eu-repo/semantics/publishedVersion | ||
| 999 | |c 81004 | ||