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physicochemical and functional properties of crawfish chitosan as ...

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APPENDIX 22. Sigma 91<br />

% or g/dL ηinh ηred<br />

0.007813 7.076382 7.275656<br />

0.015625 6.742087 7.110016<br />

0.0234 6.85152 7.431325<br />

0.03125 7.059056 7.898208<br />

0.0468 6.763595 7.956538<br />

0.0625 6.823169 8.508912<br />

0.125 6.357467 9.70992<br />

0.1875 6.105286 11.42202<br />

12<br />

11<br />

10<br />

9<br />

8<br />

7<br />

6<br />

5<br />

4<br />

92<br />

y = 23.374x + 6.9536<br />

R 2 = 0.9891<br />

y = -4.9668x + 7.0327<br />

R 2 = 0.8671<br />

0 0.05 0.1 0.15 0.2<br />

(6.9536 + 7.0327) / 2 = η = 6.99315<br />

6.99315 = 1.81 X 10 -3 M 0.93<br />

M = 7,194.21 g/mol = 7,194 Daltons

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