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Aluminium is very useful but it occurs in nature chemically bound to other elements so it’s hard to smelt. In the 19th century people learned how to extract aluminium oxide (AlO2) from…
Aluminum oxide is a long lasting, economical blasting grit that is used for cleaning and surface preparation in a variety of industrial applications. It has good strength and durability for long term…
A modern vehicle is a highly complex technical commodity that can only function correctly if all its components work in harmony. One of the most important components is the spark plug, whose…
The aluminium oxide flame test is a quick and simple way to identify certain metal ions in a compound. However, it is only good for Group 1 compounds, and the colour produced…
What happens when aluminium oxide reacts with sodium hydroxide? Aluminium oxide, known as Al2O3, is amphoteric in that it can be treated as both a base and an acid. It reacts with…
During electrolysis aluminium oxide ions (Al3+) and oxygen ions (O2-) are separated in an electrolytic cell. This is done by passing electricity between two electrodes – a negative cathode and a positive…
Aluminium is the most abundant metal in the world but it is quite expensive, mainly because of the amount of electricity required to extract it from its ores. This is because the…
Aluminium oxide (Al2O3) is an angular, durable blasting abrasive that can be recycled many times. It is the most commonly used abrasive grain in sand blast finishing and surface preparation because of…
Whether it’s for preparing aluminum wheels or metal surfaces to be coated, blasting aluminium is an important process. While there are many ways to go about grit blasting aluminium, certain methods may…
Aluminium oxide is the most common compound of aluminium and is found in the Earth’s crust. It incorporates about 8% oxygen in the form of hydroxyl groups, which is why it has…
The aluminium oxide is almuniium ore is the most common of several aluminium oxides and is the chemical compound with the formula Al2O3. It occurs naturally as the crystalline polymorph corundum, varieties…
Aluminium oxide is a hard and insulating material that can be molded into various shapes and sizes for different applications. For example, it is used to make tiles that are attached inside…