Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits

a) Instituto de Recursos Naturales y Agrobiología, C.S.I.C., P.O. Box 1052, 41080-Seville, Spain b) lnstitut für Biophysik und physikalische Biochemie, Universitiit Regensburg, Postfach 397. D-8400 Regensburg, Germany.

Bibliographic Details
Authors: González-Vila, Francisco Javier, Martín Martínez, Francisco, Río Andrade, José Carlos del, Fründ, R.
Format: article
Publication Date:1992
Country:España
Institution:Consejo Superior de Investigaciones Científicas (CSIC)
Repository:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/40017
Online Access:http://hdl.handle.net/10261/40017
Access Level:Open access
Keyword:Humic acids
Lignites
CuO oxidation
13C NMR
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repository_id_str
spelling Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite depositsGonzález-Vila, Francisco JavierMartín Martínez, FranciscoRío Andrade, José Carlos delFründ, R.Humic acidsLignitesCuO oxidation13C NMRa) Instituto de Recursos Naturales y Agrobiología, C.S.I.C., P.O. Box 1052, 41080-Seville, Spain b) lnstitut für Biophysik und physikalische Biochemie, Universitiit Regensburg, Postfach 397. D-8400 Regensburg, Germany.Three Spanish lignites of similar low maturity level taken from different deposits and their humic acid (HA) fractions have been characterized by chemical and spectroscopic methods. Some remarkable differences were found in the HA contents, as well as in the distribution of humic and fulvic fractions among the parent lignites. These differences, however, are not reflected by spectral or chemical distinguishing features. The results suggest that ligninderived materials contributed to the formation of the lignite deposits.This study has been supported by the Spanish CICYT grant PB87-0277.Peer reviewedElsevierComisión Interministerial de Ciencia y Tecnología, CICYT (España)201120111992info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/40017reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglésinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/400172026-05-22T06:33:51Z
dc.title.none.fl_str_mv Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
title Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
spellingShingle Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
González-Vila, Francisco Javier
Humic acids
Lignites
CuO oxidation
13C NMR
title_short Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
title_full Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
title_fullStr Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
title_full_unstemmed Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
title_sort Structural characteristics and geochemical significance of humic acids isolated from three Spanish lignite deposits
dc.creator.none.fl_str_mv González-Vila, Francisco Javier
Martín Martínez, Francisco
Río Andrade, José Carlos del
Fründ, R.
author González-Vila, Francisco Javier
author_facet González-Vila, Francisco Javier
Martín Martínez, Francisco
Río Andrade, José Carlos del
Fründ, R.
author_role author
author2 Martín Martínez, Francisco
Río Andrade, José Carlos del
Fründ, R.
author2_role author
author
author
dc.contributor.none.fl_str_mv Comisión Interministerial de Ciencia y Tecnología, CICYT (España)
dc.subject.none.fl_str_mv Humic acids
Lignites
CuO oxidation
13C NMR
topic Humic acids
Lignites
CuO oxidation
13C NMR
description a) Instituto de Recursos Naturales y Agrobiología, C.S.I.C., P.O. Box 1052, 41080-Seville, Spain b) lnstitut für Biophysik und physikalische Biochemie, Universitiit Regensburg, Postfach 397. D-8400 Regensburg, Germany.
publishDate 1992
dc.date.none.fl_str_mv 1992
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/40017
url http://hdl.handle.net/10261/40017
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869422697280176128
score 15.812429

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