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Improved conditions for measurement of the specific heat capacities of pure triglycerides by differential scanning calorimetry
Authors:N A Morad  M Idrees  A A Hasan
Institution:(1) Lipids Applied Science and Engineering Research (L.A.S.E.R.), Department of Chemical Engineering, Universiti Teknologi Malaysia, Jalan Semarak, 54100 Kuala Lumpur, Malaysia
Abstract:Reproducible specific heat capacities (C p) of triglycerides can be obtained by using heat-flux DSC under improved operating conditions. The improved operating parameters, such as the scanning rate, the sample mass and the atmosphere within the DSC chamber, were established via statistical analysis of the experimental data with trilaurin as a sample. The specific heat capacity results on trilaurin were compared with the values calculated by using estimation methods. The precision of the specific heat capacity measured for trilaurin under these conditions was within ±1%.
Keywords:DSC  improved conditions  specific heat capacity  statistical analysis  triglycerides
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