Table 1.

Chemical-physical characterization of the various samples (see text for further details).

Sample	PV (mEq/1,000 g)	AV (mg KOH/g)	IV (g/100 g)	Viscosity (mPa·s)
				22°C	35°C
SO	198 ± 9	0.70 ± 0.01	113.65 ± 1.50	59.9 ± 1.1	34.2 ± 0.3
OSO low	949 ± 33	1.67 ± 0.08	96.05 ± 3.53	84.9 ± 0.7	48.1 ± 0.4
OSO middle	1631 ± 64	2.45 ± 0.05	81.32 ± 2.98	116 ± 1	64.5 ± 0.2
OSO high	3170 ± 101	7.32 ± 0.20	57.21 ± 2.34	248 ± 2	129 ± 2

PV: peroxide value; AV: acidity value; IV: iodine value.