DSC测量等压热容影响因素的研究
首发时间:2019-10-24
摘要:简要介绍了差示扫描量热法(DSC)利用连续测试法测量等压热容的基本原理,通过实验分析了恒温段的设定条件、升温速率、样品致密度、样品特性等因素对等压热容结果的影响。最终得到了一组实验参数对后续采用DSC测量不同体系的等压热容数据奠定了坚实的基础。
关键词: 差式扫描量热法(DSC) 等压热容 影响因素
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A Study on Factors Influencing the Measurament of Isobaric Heat Capacity by DSC
Abstract:The basic principle of differential scanning calorimetry (DSC) for measuring isobaricheat capacity is briefly introduced. The effects of setting conditions in the constant temperature section, heating rate, sample density and sample characteristics on the heat capacity were analyzed by experiments.Finally, a set of experimental parameters was obtained, which laid a solid foundation for the subsequent DSC measurement ofisobaricheat capacity data of different systems.
Keywords: Differential scanning calorimetry (DSC) Isobaric heat capacity Influencing factors
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