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. 2023 Nov 27;2023:3892348. doi: 10.1155/2023/3892348

Table 3.

Properties of Parkia biglobosa biodiesel compared to standards of Europe and United States and Ghana Standard Authority.

Property Method ASTM Std. D6751 EN 14214 Ghana Std. Authority Determined value
Cetane number ASTM D6890 ≥47 ≥51 47 min 51
Kinematic viscosity (mm2/s; 40°C) ASTM D445 1.9–6.0 3.5–5.0 1.5–6.5 4.1
Oxidative stability (h) EN 14112 ≥3 ≥6 3.1
Cloud point (°C) GB/T510 −15 to 16 −1
Pour point (°C) GB/T3535 −3 to 12 +15 max −1
Flash point (°C) ASTM D93 ≥93 ≥120 66 min 155
Sulphur content (%, w/w) ASTM D4294 ≤0.05 0.020 0.05 max 0.004
Ash content (%, w/w) GB/T508 ≤0.02 ≤0.02 0.1 max 0.019
Acid value (KOH mg/kg) ASTM D664-01 ≤0.5 ≤0.5 1.0 max 0.456
Water (mg/kg) D6304 ≤0.05 ≤0.05 0.05 max 0.07
Density (20°C) SH/T0248 860–900 868
Iodine value (g/100) EN 14111 ≤120 ≤120 137
Copper strip corrosion (50°C, 3 h) ASTM D 130-94 ≤No.3a ≤No.1a 1a
Free glycerine (%, w/w) EN 1405 ≤0.02 ≤0.020 0.002
Total glycerine (%, w/w) SH/T0796 0.24 ≤0.25 0.16

Source: lab analysis (2021).