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Treatment of dewaxed maize stems, rye straw, and rice straw with 1 M NaOH at 30<space> o C for 18 h resulted in a dissolution of 78.0, 68.8, and 82.1% of the original lignin, and 72.1, 72.6, and 84.6% of the original hemicelluloses, respectively. The three alkali lignin fractions and three hemicellulosic preparations and the corresponding residues (mainly cellulose) were characterized...
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