Titanium dioxide is an oxide of titanium which
is naturally found in nature. It is obtained from titanium tetrachloride by the
process of reduction of carbon and its reoxidization. It can also be obtained
from an ore ilmenite which contains titanium dioxide in large proportions.
Ilmenite is reduced with sulphuric acid to obtain titanium dioxide.
What are
titanium dioxide uses and applications?
Titanium dioxide is used in variety of
products and industries. Titanium dioxide has a great property that is very
high refractive index on account of which it can brighten anything. Titanium
dioxide is one of the brightest and whitest materials known to found on the
earth. Due to its whitening property, titanium dioxide is also known as
“titanium white” or “pigment white”. Due to this property of titanium dioxide
it is used in cosmetics where it reflects light from skin and makes skin look
more glowing and radiant white.
When talking about cosmetics how can we forget
sunscreen creams? People use sunscreen creams to protect their skin from the
harmful rays of sun. When you are under sun, you can be burnt with sun rays or
you can have other problems like spots, tanning or irritation. Sunrays can also
cause cancer due to ultra violet radiation. Titanium dioxide is used in
sunscreen creams to protect your skin from harmful UV rays. It absorbs the UV
rays and provides you a shield against the scorching sun. The concentration of
titanium dioxide in sunscreen determines the SPF or Sun Protection Factor of
the cream.
Titanium dioxide is also known for its pigment
properties. It is used as a pigment in industries such as dairy industry and
candy production. It is also used in toothpaste production to make the
toothpaste whiter. As a pigment it is used in medicines, food additives, ceramics,
tiles, paints, etc.
Titanium dioxide is also used as a flavour in
food. It is used in vegetables, seeds, nuts, soups, wine, beer and mustard for
flavour.
When talking about titanium dioxide uses how
can we forget its use in paints. Due to the light reflecting properties of
titanium dioxide it is used in coating of automobiles and its parts. It is used
in optical mirrors too. Cars, boats, rockets and airplanes are coated with the
paint containing titanium dioxide to gives it more lustre. Titanium dioxide is
known to be used in the building and construction material too. Titanium
dioxide is also used in the plastic industry for coating.
Titanium dioxide is also used a dielectric. It
is used as a photo catalyst when it is placed under UV rays. Titanium dioxide
is known to develop photo catalyst properties when it is doped with nitrogen
ions and placed under UV rays.
Titanium dioxide can be used to cleave proline
containing proteins. It can be used in electric circuit and solar energy
converters. It can also be used as a semiconductor. Electronic data storage
companies also use titanium dioxide.
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