In its pure form, aluminum is primarily used by the electronics industry to make hard disk drives, conductor tracks on silicon chips, and capacitor foil. If a melting point range is over five degrees, then it means that the substance is impure.Īluminum is one of the world’s most useful metals. If such a substance contains even the slightest amount of impurities, depression is usually produced in the freezing points showing an increase in the width of the melting point range. A pure compound that is crystalline usually has a more precise melting point and thus completely melts over a small range of temperatures not exceeding 0.5-1 degrees Celsius. Factors affecting the melting point of substances include intermolecular forces, ionic bond melting point variations, the shape of molecules, and the size of molecules. Therefore, certain things affect the melting points of different substances.
For instance, while oxygen melts at -218 degrees Celsius, ice melts at 0 degrees Celsius and aluminum is 660 degrees Celsius. The melting point of a substance varies from one substance to another. In this regard, the bigger the melting range of a substance then the less pure the substance is while the more the melting point range decreases, the purer the substance.įactors Affecting the Melting Point of Substances Additionally, the purpose of knowing a substance’s melting point is to use its melting point range to help determine its general purity. An unknown solid’s melting point can be used to identify it by comparing it to a variety of other potential solids and their melting points thus making a match to identify the solid. The main aim of determining the boiling points and melting points of substances during a lab experiment is to use the results to help identify impurities in those substances or unknown substances. What is the Purpose of Determining the Melting Point Of Aluminum?Ī substance’s melting point is an essential physical property. The melting point of aluminum is 660 degrees Celsius or 1218 Fahrenheit. A substance’s melting point is also referred to as liquidus, liquefaction point, or solidus. However, a substance’s melting point mainly depends on pressure it is often specific at a standard pressure in reference materials. It is at the melting point that a substance’s liquid and solid states exist in equilibrium. The melting point of a substance is defined as the temperature at which the substance changes from a solid to a liquid state but at a specific atmospheric pressure.
Aluminium melting point skin#
It is also safe enough when it comes in contact with skin and is used around food. Aluminum tends to be easier to recycle than to purify from ores.
Aluminum is a useful and common metal that is known for being lightweight, malleability, and corrosion resistance. The process of extracting aluminum from its compounds is elaborate and rather difficult. It is the third most abundant element after oxygen and silicon to be found in the crust of the earth.Īluminum occurs naturally in compounds but never as pure metal.
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