Physicochemical characteristics and thermal stability of Jordanian jojoba oil |
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Authors: | M Allawzi M K Abu-Arabi H S Al-zoubi A Tamimi |
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Affiliation: | (1) Department of Chemical Engineering, Jordan University of Science and Technology, P.O. Box 3030, 22110 Irbid, Jordan |
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Abstract: | Viscosity, flash point, refractive index, viscosity index, specific gravity, aniline point, foam testing, color stability,
ash content, water content, saponification value, iodine value, and other properties were investigated for Jordanian jojoba
oil. Results showed that jojoba oil has low ash and water contents and high flash point and viscosity index. Viscosity and
specific gravity changed only slightly with temperatures. As an additive, jojoba oil improved the viscosity index of lubricants
from 100 to 130. When subjected to heating and cooling from 40 to 200°C, the chemical structure, kinematic viscosity, and
refractive index remained almost constant. Thus, jojoba oil was highly stable in this temperature range. |
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Keywords: | Lubricant oil additive oil physicochemical characteristics thermal stability viscosity viscosity index |
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