Phase transitions of n-C32H66 measured by means of high resolution and super-sensitive DSC
作者： Ken-ichi Tozaki , Hideaki Inaba , Hideko Hayashi , Chanhji Quan , Norio Nemoto
DOI: 10.1016/S0040-6031(02)00273-3
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摘要: Abstract A high resolution and super-sensitive differential scanning calorimetry (DSC) has been constructed by using two kinds of semi-conducting thermoelectric modules; one is used as a high-sensitive heat flow sensor the other for main heater or cooler Peltier effect. The baseline fluctuation calorimeter was within ±25 nW. Thermal analysis n -C 32 H 66 conducted this DSC large peaks due to solid-solid transition at 339.1 K from crystalline phase rotator melting 341.9 K were observed heating rate 0.4 mK s −1 . In addition, small peak detected first 338.1 K, indicating sensitivity DSC. solidifying process state cooling 40 μK s , several exothermic sub-peaks in addition peak.
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