Phase separation on ricinoleic acid freezing

Phase separation material essentially influence storage capacity or heat release. Ricinoleic acid is potential to be used as a heat storage material. However, the nature of the phase separation of the material has not been studied yet. Therefore, this research was aim to determine the nature of the...

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Bibliographic Details
Main Authors: Firman, Hasan, Barlian, Anshar, Muhammad
Format: Conference Proceeding
Language:English
Subjects:
Acids
Coagulation
Cooling rate
Crystallization
Freezing
Functional groups
Heat storage
Oleic acid
Phase separation
Ricinoleic acid
Storage capacity
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Summary:Phase separation material essentially influence storage capacity or heat release. Ricinoleic acid is potential to be used as a heat storage material. However, the nature of the phase separation of the material has not been studied yet. Therefore, this research was aim to determine the nature of the material. The test of characteristics of heat fusion and crystallization temperature of the material are carried were examined by using differential scanning calorimetry (DSC). The test was carried out using 15-20 mg of ricinoleic acid with cooling rate of 2°C/min, 3°C/min, 4°C/min, 5°C/min, 10°C/min, and 15°C/min. Coagulation testing was done by using a digital microscope of data aquisition. For comparison, characterization on oleic acid was also done. The result that hydroxyl functional group affects the occurrence of phase separation on the ricinoleic acid freezing process.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201820405006