Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/59570
COMPARTIR / EXPORTAR:
SHARE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Dielectric spectroscopy of aqueous solution of fulvic acids |
Autor: | González-Vila, Francisco Javier CSIC ORCID ; Kaatze, Udo; Lentz, Harro; Martín Martínez, Francisco; Pottel, Reinhard | Fecha de publicación: | 1991 | Editor: | Springer Nature | Citación: | Lecture note in Earth Sciences 33: 75-83 (1991) | Resumen: | The complex dielectric spectrum of aqueous solutions (10% w/w) of fulvic and polymaleic acids has been measured at various frequencies between 1 MHz and 40 GHz. Similar to pure water a dispersion/dielectric loss region emerges in the range above 1 GHz. The measured spectra have been analytically represented by the empirical Cole-Cole relaxation spectral function to yield values for the extrapolated high- and low-frequency permittivity, the principal dielectric relaxation time, the relaxation time distribution parameter and the specific electric d.c. conductivity. In correspondence with aqueous solutions of synthetic organic molecules, the low-frequency permittivity of the fulvic acid/water mixtures is reduced, and the principal dielectric relaxation time is enhanced with respect to the pure water value. As with solutions of polyacrylic acid no solute contributions to the real part of the dielectric spectrum are found. | Descripción: | 9 pages, 2 figures, 3 tables, 39 references.-- Publicado en el capítulo: Session 1: Isolation, Fractionation, and Characterization.-- Humic Substances in the Aquatic and Terrestrial Environment, Proceedings of an International Symposium, celebrado del 21-23, agosto, 1989 en Linköping, Suecia.-- Este volumen 33, referido en la Citación, consta de 514 páginas, 150 figuras y 57 tablas. | Versión del editor: | http://dx.doi.org/10.1007/BFb0010459 | URI: | http://hdl.handle.net/10261/59570 | DOI: | 10.1007/BFb0010459 | ISBN: | 978-3-540-53702-1 E-ISBN 978-3-540-46985-8 |
ISSN: | 0930-0317 |
Aparece en las colecciones: | (IRNAS) Libros y partes de libros |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
Dielectric spectroscopy of aqueous solution of fulvic acids.pdf | 273,52 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
Page view(s)
279
checked on 23-abr-2024
Download(s)
228
checked on 23-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.