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. 2019 Jun 18;5(6):e01944. doi: 10.1016/j.heliyon.2019.e01944

Table 3.

Characterization of final polyricinoleic acid product.

Property of PRA product Value
Molecular Weight (MW) 4026 ± 440 Da
Acid Value (mg KOH/g) 25.6
Hydroxyl value (mg KOH/g) 12.3
Estolide Number (EN) 13
Gardner colour scale 6
Viscosity (at 25 °C) 1200 cSt