Multicomponent kinetic determination of Cu, Zn, Co, Ni and Fe at trace levels by first and second order multivariate calibration
A flow injection system coupled to a photodiode array spectrophotometer (FI-PDA) for the multicomponent kinetic determination of Cu, Zn, Co, Ni and Fe at trace levels is presented. The substitution reaction of metal-nitrilotriacetic complexes (M-NTA) by 4-(2-pyridilazo) resorcinol (PAR) instead of t...
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| Formato: | Capítulo de libro |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2001
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| Acceso en línea: | Registro en Scopus DOI Handle Registro en la Biblioteca Digital |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
| LEADER | 06725caa a22010337a 4500 | ||
|---|---|---|---|
| 001 | PAPER-20653 | ||
| 003 | AR-BaUEN | ||
| 005 | 20230518205204.0 | ||
| 008 | 190411s2001 xx ||||fo|||| 00| 0 eng|d | ||
| 024 | 7 | |2 scopus |a 2-s2.0-0035804792 | |
| 024 | 7 | |2 cas |a cobalt, 7440-48-4; copper, 15158-11-9, 7440-50-8; iron, 14093-02-8, 53858-86-9, 7439-89-6; nickel, 7440-02-0; nitrilotriacetic acid, 139-13-9, 28528-44-1; resorcinol, 108-46-3; zinc, 7440-66-6, 14378-32-6 | |
| 040 | |a Scopus |b spa |c AR-BaUEN |d AR-BaUEN | ||
| 030 | |a ACACA | ||
| 100 | 1 | |a Fernández, F.M. | |
| 245 | 1 | 0 | |a Multicomponent kinetic determination of Cu, Zn, Co, Ni and Fe at trace levels by first and second order multivariate calibration |
| 260 | |b Elsevier |c 2001 | ||
| 270 | 1 | 0 | |m Tudino, M.B.; Departamento de Quimica Inorganica, Analitica y Quimica Fisica/INQUIMAE, Facultad de Ciencias, Capital Federal, Argentina; email: tudino@q1.fcen.uba.ar |
| 506 | |2 openaire |e Política editorial | ||
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| 520 | 3 | |a A flow injection system coupled to a photodiode array spectrophotometer (FI-PDA) for the multicomponent kinetic determination of Cu, Zn, Co, Ni and Fe at trace levels is presented. The substitution reaction of metal-nitrilotriacetic complexes (M-NTA) by 4-(2-pyridilazo) resorcinol (PAR) instead of the direct complexation of the free ions with PAR is employed. In this way, the spectral differences between the colored complexes are combined with the different reaction rates of the ions producing a more specific λ-time region for each metal enhancing the selectivity. Since the NTA-M-PAR system is fast and the pure analyte profiles appear partially overlapped in the time and λ-axis, temporal and spectral information were added to PLS and PCR models to improve results and to increase the number of metals to be determined. The developed method provides the fast and cheap determination of the five metals at the sub-ppm range and demonstrates that the use of temporal and spectral information increases the number of analytes to be simultaneously determined, improving the analytical figures of merit as well. © 2001 Elsevier Science B.V. |l eng | |
| 536 | |a Detalles de la financiación: To UBACyT and INQUIMAE for partial financial support. | ||
| 593 | |a Laboratorio De Análisis De Trazas, Departamento De Quimica Inorganica, Analitica Y Quimica Fisica/INQUIMAE, Facultad De Ciencias Exactas Y Naturales, Capital Federal, Argentina | ||
| 690 | 1 | 0 | |a CO |
| 690 | 1 | 0 | |a CU |
| 690 | 1 | 0 | |a FE |
| 690 | 1 | 0 | |a FIGURES OF MERIT |
| 690 | 1 | 0 | |a FLOW INJECTION |
| 690 | 1 | 0 | |a MULTICOMPONENT KINETIC DETERMINATION |
| 690 | 1 | 0 | |a MULTIVARIATE CALIBRATION |
| 690 | 1 | 0 | |a NI |
| 690 | 1 | 0 | |a PAR |
| 690 | 1 | 0 | |a ZN |
| 690 | 1 | 0 | |a COBALT |
| 690 | 1 | 0 | |a COPPER |
| 690 | 1 | 0 | |a IRON |
| 690 | 1 | 0 | |a METAL |
| 690 | 1 | 0 | |a NICKEL |
| 690 | 1 | 0 | |a NITRILOTRIACETIC ACID |
| 690 | 1 | 0 | |a RESORCINOL |
| 690 | 1 | 0 | |a ZINC |
| 690 | 1 | 0 | |a ARTICLE |
| 690 | 1 | 0 | |a CALIBRATION |
| 690 | 1 | 0 | |a CHEMICAL REACTION |
| 690 | 1 | 0 | |a COMPLEX FORMATION |
| 690 | 1 | 0 | |a FLOW INJECTION ANALYSIS |
| 690 | 1 | 0 | |a FLOW KINETICS |
| 690 | 1 | 0 | |a MULTIVARIATE ANALYSIS |
| 690 | 1 | 0 | |a PRIORITY JOURNAL |
| 690 | 1 | 0 | |a REACTION ANALYSIS |
| 690 | 1 | 0 | |a REACTION TIME |
| 690 | 1 | 0 | |a SPECTROPHOTOMETRY |
| 690 | 1 | 0 | |a RICKETTSIA SP. PAR |
| 700 | 1 | |a Tudino, M.B. | |
| 700 | 1 | |a Troccoli, O.E. | |
| 773 | 0 | |d Elsevier, 2001 |g v. 433 |h pp. 119-133 |k n. 1 |p Anal. Chim. Acta |x 00032670 |w (AR-BaUEN)CENRE-133 |t Analytica Chimica Acta | |
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| 856 | 4 | 0 | |u https://doi.org/10.1016/S0003-2670(00)01380-5 |y DOI |
| 856 | 4 | 0 | |u https://hdl.handle.net/20.500.12110/paper_00032670_v433_n1_p119_Fernandez |y Handle |
| 856 | 4 | 0 | |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00032670_v433_n1_p119_Fernandez |y Registro en la Biblioteca Digital |
| 961 | |a paper_00032670_v433_n1_p119_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 81606 | ||