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Increasing hydrodynamic size

of solute (or probe) molecule size

Surface of fiber

Surface of fibrils

Amorphous domains

Crystalline domains

Open pores

and crevices

Decreasing

size

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0+89_ :_!&;_:.<<<_:

©2006 WILEY-VCHVerlag GmbH&Co .

Handbook of Pulp

Edited by Herbert Sixta

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Sulphite pulp wood fiber of beech