Table 1 Quality control analysis of substrate oils

0.09 ± 0.01^b

0.10 ± 0.02^b

0.14 ± 0.01^a

194 ± 1.44^b

216 ± 4.55^a

188 ± 2.73^b

0.68 ± 0.07^a

0.65 ± 0.03^a

1.17 ± 0.09^b

0.18 ± 0.02^a

0.21 ± 0.04^a

0.22 ± 0.05^a

53.2 ± 1.29^b

18.7 ± 0.59^c

195.4 ± 1.21^a