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In science and technology, the melting point of materials is the temperature at which a substance changes from a solid state to a liquid state. The melting point can be determined by a variety of methods, from the classical capillary tube method to a video camera inspection.
When a material changes from a solid to a liquid state, the rheological properties of the material change. This is because atoms in a liquid are moving around. Also, the energy required to break the bonds between atoms increases. However, not all substances melt.
One example of a solid that doesn’t melt is cellulose. Another is wood. Unlike cellulose, however, wood cannot burn in the absence of oxygen.
There are many other substances that have a different melting point than cellulose. For instance, ethane has a higher melting point than water.
The melting point of materials can be used as a benchmark for comparing the relative properties of different materials. It is also useful in quality control.
One of the most important aspects of a melting point is that it tells you the magnitude of the phase change that occurs when a material undergoes a specific transformation. This can be a significant indicator of the purity of a substance.
To determine the melting point of materials, you should use the capillary tube method. You must first grind the sample to a fine powder and then place it in the capillary tube. Next, heat the sample up to the required temperature and visually inspect it.
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