Tween 80 (polysorbat 80) is recommended by the European Pharmacopeia as surface-active additive for solubilisation of heavily wettable reagents (1 g/l).
Getest volgens artsenijboek | Ph. Eur. |
Appearance | yellow, viscous liquid |
Identity | complies |
Hydroxyl number (mg KOH/g) | 65-80 |
Acid value (mg KOH/g) | ≤2 |
Peroxide value | ≤5 |
Saponification value (mg KOH/g) | 45-55 |
Water | ≤3,0 % |
Total ash | ≤0,25 % |
Heavy metals | ≤0,001 % |
Residual solvents | complies |
1,4-Dioxane | ≤0,001 % |
Free ethylene oxide | ≤0,0001 % |
Fatty acid compound | complies |