The physicochemical analyses to qualify the used SIO were: acid
value (Cd 3d-63), peroxide value (Cd 8b-90), saponification value
(Cd 3-25) and iodine value (Cd 1c-85) according to the AOCS
(American Oil Chemists’ Society). (2009).
The refractive index (Cc 7-25) and density (g cm3) were
assessed using a digital density meter – Anton Paar DMA
4500 M (Graz, St, Austria). The average molecular weight
(AMW) of SIO was calculated according to the Kay rule (Moraes,
2010).