Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/69006
DC FieldValueLanguage
dc.contributor.authorWang, M.C.en_US
dc.contributor.authorHuang, P.M.en_US
dc.date2003zh_TW
dc.date.accessioned2014-06-11T05:57:41Z-
dc.date.available2014-06-11T05:57:41Z-
dc.identifier.issn0016-7061zh_TW
dc.identifier.urihttp://hdl.handle.net/11455/69006-
dc.description.abstractThe ability of soil clays (< 2 mum) in soil and associated environments in influencing the abiotic transformations of polyphenols and amino acids is not fully understood. The objective of this study was, thus, to investigate the catalytic power of natural soil clays in the abiotic cleavage of pyrogallol and glycine and their polycondensation. The results indicate that the ring cleavage of pyrogallol, its polymerization, the deamination of glycine, and its polycondensation with pyrogallol were enhanced by the catalysis of soil clays, and were increased with increasing temperature from 4 to 75 degreesC, indicating that these reactions observed in the systems were of the Arrhenius type. The main transformations of pyrogallol and glycine observed in this study are attributed to the catalysis of the layer silicates and oxides of Fe, Al, and Mn present in the natural soil clays. (C) 2002 Elsevier Science B.V. All rights reserved.en_US
dc.language.isoen_USzh_TW
dc.relationGeodermaen_US
dc.relation.ispartofseriesGeoderma, Volume 112, Issue 1-2, Page(s) 31-50.en_US
dc.relation.urihttp://dx.doi.org/10.1016/s0016-7061(02)00292-6en_US
dc.subjectnatural soil claysen_US
dc.subjectpyrogallolen_US
dc.subjectglycineen_US
dc.subjectarrhenius type reactionen_US
dc.subjecthumicen_US
dc.subjectpolymersen_US
dc.subjectfulvic-aciden_US
dc.subjectnontroniteen_US
dc.subjecttransformationsen_US
dc.subjectbirnessiteen_US
dc.subjectpolymersen_US
dc.titleCleavage and polycondensation of pyrogallol and glycine catalyzed by natural soil claysen_US
dc.typeJournal Articlezh_TW
dc.identifier.doi10.1016/s0016-7061(02)00292-6zh_TW
item.cerifentitytypePublications-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.languageiso639-1en_US-
item.fulltextno fulltext-
item.grantfulltextnone-
item.openairetypeJournal Article-
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