Estimativa por infravermelho da concentração da unidade estrutural b-O-4 em ligninas de angiospermas tropicais Infrared estimates of the concentration of the b-o-4 structural unit in lignins of tropical angiosperms
<abstract language="eng">Five Björkman lignins, codified as AM, LL, GG, PP and AP, were isolated from wood species of Aspidosperma macrocarpum Mart., Lophanthera lactescens Ducke, Gallesia gorazema (Vell.) Miq., Peltogyne paniculata Bth. and Aspidosperma polyneuron Muell. Arg., respe...
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Format: | Article |
Language: | English |
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Sociedade Brasileira de Química
1997-12-01
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Series: | Química Nova |
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Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421997000600005 |