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Figure 1A : (1)CO2 cylinder, (2)cooling bath, (3)high-pressure pump, (4)heat exchanger, (5) computer equipped with Thar SFC software, (6)automated back pressure regulator (ABPR), (7)autoclave, (8)thermometer, (9)depressurization cell.
Figure 1B: (1)CO2 cylinder, (2)refrigerated bath, (3)CO2 cooling tank, (4)high-pressure pump, (5) two bourdon-type manometers, (6)needle valves, (7)buffer tank, (8)equilibrium cell, (9)known volume collector, (10)glass bottle collector, (11)solvent bottle, (12)helical pump, (13)temperature controlled water bath.
Figure 2. Melting temperature (TM) and solidification temperature (TS) of beeswax (BW), binary mixture of beeswax and avocado oil (BW:AO) and binary mixture of beeswax and Brazil nut oil (BW:BNO) under different pressures.
Figure 3. Melting point depression (A) and solidification point depression (B) of beeswax (BW), binary mixture of beeswax and avocado oil (BW:AO) and binary mixture of beeswax and Brazil nut oil (BW:BNO) under different pressures.
Figure 4. Volumetric expansion at 60 °C of avocado oil (AO), Brazil nut oil (BNO), binary mixture of beeswax and avocado oil (BW+AO), binary mixture of beeswax and Brazil nut oil (BW+BNO) and beeswax (BW) under different pressures, expressed as a percentage of initial volume.
Figure 5. Supercritical carbon dioxide (CO2) solubility in beeswax (BW), avocado oil (AO), Brazil nut oil (BNO), binary mixture of beeswax and avocado oil (BW:AO), binary mixture of beeswax and Brazil nut oil (BW:BNO) under different pressures, expressed in g CO2/Kg lipid.
Figure 6. Total ion chromatogram for fatty acid in avocado oil, Brazil nut oil and Beeswax.