Used Cooking Oil, Used Cooking Oil For Biodiesel

item standard Test way S500 S50 Density (20°C) / (kg/m³) 820--900 GB/T 2540 Kinematic viscosity (40°C)/(mm²/s) 1.9-6.0 GB/T 265 Flash point(closed cup)/°C      ≥ 130 GB/T 261 Titre C(melting point) /°C  Actual measure SH/T 0248 Sulphur content(mass fraction)/% 0.05 0.005 SH/T 0689 10% Carbon residue (mass fraction)%            ≤ 0.3 GB/T 17144 Ash content (mass fraction)                    ≤ 0.020 GB/T 2433 Moisture (mass fraction)                       ≤ 0.1 SH/T 0246 mechanical impurity NO GB/T 511 corrosiveness to copper-copper strip(50°C, 3h)/grade                    ≤ 1 GB/T 5096 Cetane number                   ≥ 49 GB/T 386 Oxidation stability(110°C)/hour     ≥ 5.0 EN 14112 Acid value/(mgKOH/g)            ≤ 0.8 GB/T 264 free glycerol content(mass fraction) %              ≤ 0.020 ASTM D 6584 total glycerin content(mass fraction) %              ≤ 0.240 ASTM D 6584 90% recovered temperature         ≤ 360 GB/T6536