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Sulfuric acid bleaching of kraft pulp II: Behavior of lignin and carbohydrate during sulfuric acid bleaching

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Figure

Fig. 1. Sample preparation scheme for acid lignin and alkali lignin in sulfuric acid bleaching of kraft pulps
Table 1. Results of sulfuric acid bleaching of kraft pulps
Fig. 2. Gel permeation chromatography (GPC) of alkali lignin from beech kraft pulp bleaching and beech milled wood lignin (MWL)
Table 5. Changes in sugar composition of kraft pulps during sulfuric acid bleaching

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