Main measuring materials of the melting point and melting rate tester
Release time:
2023-07-05
Melting Point and Melting Rate Tester Primarily used to measure the melting properties of solid materials, mainly including the measurement of materials:
1. Melting Point: The temperature at which a solid directly transitions to a liquid. It reflects the type of bonds primarily constraining the substance.
2. Melting Rate: The speed at which the solid-liquid interface changes over time during the process of a solid becoming a liquid. It reflects the strength of the interaction.
3. Melting Process Curve: Records the entire melting process of a material under certain conditions, observing the characteristics of melting.
4. Comparative Melting: Measurement and comparative analysis of the same substance with different raw materials and processing methods.
The measurement principle is mainly to place the solid sample to be tested in a constant temperature oven, and then use a trigger to record its temperature and time at the time of melting.
Commonly used determination methods include:
1. Constant Heating Rate Method: The sample is heated at a constant rate, and the temperature and time data at the time of melting are recorded.
2. Optical Method: A light beam passes through the sample. When the sample melts, the light intensity changes abruptly, and the temperature is recorded.
3. Resistance Method: The curve of the sample resistance changing with temperature is measured to determine the resistance and temperature at the time of melting.
4. Fluorescence Method: The change in sample fluorescence intensity with temperature is measured to determine the melting temperature.
5. Mettler Measurement Method: Observe the melting process of the sample under a microscope to determine its melting point.
In summary, the melting point and melting rate tester mainly monitors the melting of the sample through heating and detection methods to determine its main characteristic parameters. This provides a basis for studying the properties of substances and is of great significance for the research and development of new materials.
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