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Physicochemical properties of the sulfonated surfactant.
| Property | Value |
|---|---|
| Acid value (mg KOH/g of oil) | 6.04 |
| Color | Golden-yellow |
| Odor | Unpleasant |
| pH | 6.34 |
| Saponification value (mg KOH/g of oil) | 198.69 |
| Specific gravity | 0.92 |
| Viscosity at room temperature (cp) | 36 |
