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Molecular weight distribution f(M) vs M for chitosan of degree of acetylation ~20%. Loading concentration co ~ 0.25 mg/ml in 0.2 M pH 4.3 acetate buffer. κs = 0.10 and b = 0.24. Sample was centrifuged at 45000 rpm at a temperature of 20.0 °C. Mw = 210 000 g/mol. NB. The distributions shown extend to higher molar masses.
