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Polymer fractionation by repeated extraction

✍ Scribed by J. Klein; H. Friedel


Publisher
John Wiley and Sons
Year
1970
Tongue
English
Weight
536 KB
Volume
14
Category
Article
ISSN
0021-8995

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Methods of fractionating polymers by ult
✍ R. W. Baker πŸ“‚ Article πŸ“… 1969 πŸ› John Wiley and Sons 🌐 English βš– 395 KB πŸ‘ 1 views

Polyvinylpyrrolidone and dextran polysaccharides have been fractionated by ultrafiltration by using newly developed membranes with sharp molecular weight cutoffs. Three different experimental techniques were employed: (a) batch ultrafiltration by using progressively more retentive membranes; (b) con