Thermal Analysis Instruments for Heat Capacity

Heat Capacity Determination Instruments

Investigate the Cp of your Materials with Thermal Analysis

Heat capacity (Cp) is a physical property that describes the amount of heat energy required to raise the temperature of a substance. The Cp of a material can have important implications for many physical and chemical processes, including material processing, energy storage, and heat transfer.

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According to the International Confederation for Thermal Analysis and Calorimetry (ICTAC), thermal analysis is group of techniques in which a physical property of a substance is measured as a function of temperature while the substance is subjected to a controlled temperature program.

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FAQs

What types of instruments are used to measure the heat capacity of materials?

The heat capacity of materials is usually measured by a differential scanning calorimeter (DSC). In certain cases, especially at higher temperatures, a thermogravimeter (TGA/DSC) can be used.

What is the difference between heat capacity and specific heat capacity?

Heat capacity is the amount of heat energy required to raise the temperature of a given mass of a substance by a certain amount, usually one degree Celsius or Kelvin. Specific heat capacity is the amount of heat energy required to raise the temperature of one unit of mass (such as one gram) of a substance by a certain amount, usually one degree Celsius or Kelvin.

How does differential scanning calorimetry (DSC) measure the specific heat capacity of materials?

In the STARe software, six different methods are available to determine specific heat capacity of a material. They can separate out the sensible heat capacity (reversing heat flow) and the latent heat capacity (non-reversing heat flow) of a material.

What is the difference between the sensible heat capacity and latent heat capacity of a material?

Sensible heat capacity and latent heat capacity are two related but distinct physical properties that describe a material's ability to store thermal energy. Sensible heat capacity refers to the amount of heat energy required to raise the temperature of a material without changing its state or phase. Latent heat capacity, on the other hand, refers to the amount of heat energy required to change the state or phase of a material without changing its temperature.