Properties Evaluated SPO SO SCO
yield (%) 31.04±0.62* 35.07±0.61* 27.69±0.79*
specific gravity (20 °C) 0.934±0.01* 0.903±0.01* 0.912±0.01*
refractive indices (25 °C, cP) 1.4687±0.0001* 1.4660±0.0002* 1.4686±0.0002*
color (red units) 4.0±0.1* 0.6±0.1 0.9±0.1
color (yellow units) 74.1±0.5* 9.6±0.2* 60.1±0.4*
color (blue units) 7.0±0.1* 0 0
acid values (mg KOH/g of oil) 1.02±0.01 0.85±0.01* 1.01±0.43
peroxide value (meq O2/kg oil) 11.94±0.11* 4.38±0.09 6.53±0.21
iodine number (g I2/100g oil) 117.35±0.12 118.84±0.88 107.85±1.15*
saponification numbers (mg KOH/g oil) 206.16±3.50 170.01±1.63* 207.69±2.03
unsaponifiable matters (%) 0.43±0.03* 0.37±0.01* 0.62±0.01*