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Solubility of alginates in various solvents (c = 15 mg/mL).
| H2O | EG | DMAc | DMF | DMSO | DMAc /LiCl |
DMF /TBAF | DMSO /TBAF | DMAc /TBAF | DMI /TBAF |
|
|---|---|---|---|---|---|---|---|---|---|---|
| H-Alg | − | − | − | − | − | − | − | − | − | −- |
| Alg-Na | + | − | − | − | − | − | − | − | − | − |
| Alg-TBAF | + | + | − | − | − | - | + | + | + | + |
H-Alg—alginic acid; Alg-Na—sodium alginate; Alg-TBA—tetrabutylammonium alginate; EG—ethylene glycol; DMAc—N,N-dimethylacetamide; (+)—complete solubility; (−)—partially soluble or insoluble.
