Caractéristiques

Crude oil

Oil filtered

On canvas

On activated carbon (3%)

On activated carbon (5%)

Acid value (mg KOH g⁻¹)

1.62^a ± 0.16

3.05^b ± 0.03

0.71^de ± 0.06

0.58^e ± 0.03

Peroxide value (mEqO₂∙Kg⁻¹)

4.40^a ± 0.33

3.98^ab ± 0.21

0.74^c ± 0.00

0.50^c ± 0.25

Chlorophyll (mg∙kg⁻¹)

1.81^ab ± 0.26

1.62^ab ± 0.09

0.63^cd ± 0.01

0.50^e ± 0.18

Carotenoids (mg∙kg⁻¹)

0.68^a ± 0.09

0.62^a ± 0.01

0.62^a ± 0.12

0.43^ab ± 0.09

k₂₃₂ nm

1.09^a ± 0.02

0.84^b ± 0.01

0.078^c ± 0.01

0.29^d ± 0.03

k₂₇₀ nm

0.08^a ± 0.01

0.74^ab ± 0.01

0.48^d ± 0.01

0.32^c ± 0.01