Application of ESR spectroscopy in bleaching studies
In this study several pulp components were characterized by ESR spectroscopy. Free radicals present in the pulp lignin gave a well-defined signal, and the residual lignin content during a bleaching sequence could be followed using this technique. Organic radicals on the pulp carbohydrates were also...
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| Veröffentlicht in: | Holzforschung 2003-01, Vol.57 (2), p.171-180 |
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| creator | CARDONA-BARRAU, Danièle MATEO, Christelle LACHENAL, Dominique CHIRAT, Christine |
| description | In this study several pulp components were characterized by ESR spectroscopy. Free radicals present in the pulp lignin gave a well-defined signal, and the residual lignin content during a bleaching sequence could be followed using this technique. Organic radicals on the pulp carbohydrates were also detected and could be related to the formation of chromophore structures in pulp. Further, ESR spectroscopy made it possible to characterize several transition metal ions in pulp. Special attention was paid to metal retention and the impact of a sodium borohydride treatment, and the formation and evolution of complexes between metal ions and pulp components was scrutinized. |
| doi_str_mv | 10.1515/HF.2003.026 |
| format | Article |
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Free radicals present in the pulp lignin gave a well-defined signal, and the residual lignin content during a bleaching sequence could be followed using this technique. Organic radicals on the pulp carbohydrates were also detected and could be related to the formation of chromophore structures in pulp. Further, ESR spectroscopy made it possible to characterize several transition metal ions in pulp. Special attention was paid to metal retention and the impact of a sodium borohydride treatment, and the formation and evolution of complexes between metal ions and pulp components was scrutinized.</description><identifier>ISSN: 0018-3830</identifier><identifier>EISSN: 1437-434X</identifier><identifier>DOI: 10.1515/HF.2003.026</identifier><identifier>CODEN: HOLZAZ</identifier><language>eng</language><publisher>Berlin: de Gruyter</publisher><subject>Applied sciences ; Exact sciences and technology ; Paper, paperboard, non wovens ; Polymer industry, paints, wood ; Pulp manufacturing ; Wood. 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Free radicals present in the pulp lignin gave a well-defined signal, and the residual lignin content during a bleaching sequence could be followed using this technique. Organic radicals on the pulp carbohydrates were also detected and could be related to the formation of chromophore structures in pulp. Further, ESR spectroscopy made it possible to characterize several transition metal ions in pulp. Special attention was paid to metal retention and the impact of a sodium borohydride treatment, and the formation and evolution of complexes between metal ions and pulp components was scrutinized.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Paper, paperboard, non wovens</subject><subject>Polymer industry, paints, wood</subject><subject>Pulp manufacturing</subject><subject>Wood. Paper. 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Non wovens</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>CARDONA-BARRAU, Danièle</creatorcontrib><creatorcontrib>MATEO, Christelle</creatorcontrib><creatorcontrib>LACHENAL, Dominique</creatorcontrib><creatorcontrib>CHIRAT, Christine</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Holzforschung</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>CARDONA-BARRAU, Danièle</au><au>MATEO, Christelle</au><au>LACHENAL, Dominique</au><au>CHIRAT, Christine</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Application of ESR spectroscopy in bleaching studies</atitle><jtitle>Holzforschung</jtitle><date>2003-01-01</date><risdate>2003</risdate><volume>57</volume><issue>2</issue><spage>171</spage><epage>180</epage><pages>171-180</pages><issn>0018-3830</issn><eissn>1437-434X</eissn><coden>HOLZAZ</coden><abstract>In this study several pulp components were characterized by ESR spectroscopy. 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| fulltext | fulltext |
| identifier | ISSN: 0018-3830 |
| ispartof | Holzforschung, 2003-01, Vol.57 (2), p.171-180 |
| issn | 0018-3830 1437-434X |
| language | eng |
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| source | De Gruyter journals |
| subjects | Applied sciences Exact sciences and technology Paper, paperboard, non wovens Polymer industry, paints, wood Pulp manufacturing Wood. Paper. Non wovens |
| title | Application of ESR spectroscopy in bleaching studies |
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