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kH·[η]2

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η

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Sol

Fraction 1

Gel

Fraction 1

Sf sf

Gf

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Sf gf sf gf

F1 F2 F3 F4 F5

Evaporation

Polymer of solvent

Fractions

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Original

Polymer

Solution

Poorer solvent

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Resp. separation coefficient

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Retention time of

Elution peak

log [η]

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