Borax, also known as sodium borate, sodium tetraborate, , is an important boron compound, a mineral, and a salt of boric acid. It is usually a white powder consisting of soft colourless crystals that dissolve easily in water. Boron is a non-metallic element which never occurs in nature by itself. It mainly exists in the form of borates, compounds formed after combining with other substances, in the environment.
The term borax is used for a number of closely related minerals or chemical compounds that differ in their crystalline water content, but usually refers to the dehydrate. Commercially sold borax is usually partially dehydrated. The international IUPAC representation is given as “Sodium Tetra Borate Decahygrate”. And it density is 1.73 g/cm³. Borax is found in crystalline form at room temperature.
When it comes to its chemical names and properties it is as
follows, Its Formula is Na2[B4O5(OH)4]·8H2O
or can be written as Na2B4O7·10H2O. It has melting point of 743° C, and has a
pretty high boiling point of 1,575° C.
The international IUPAC representation is given as “Sodium Tetra Borate
Decahygrate”. And it density is 1.73 g/cm³. Borax is found in crystalline form at room temperature.
Physical properties :
Borax is a crystalline solid and at normal environmental
temperatures it shows a number of physical properties which are as follows, the
color of a piece of borax compound is clear white. It reflective properties or
its luster is Vitreous which means it looks sort of like glassy. Speaking of
which, its transparency of borax crystals are in a middle of transparency to
semitransparency or translucent. The shape os borax crystals are triangular
shape of that of a prism, its prismatic with having kind of square cross
sections. The sharp division or cleavage is perfect In one direction. Borax is
very light with containing a specific gravity is 1.73.It has a sweet alkaline taste.
The minerals that are associated with borax are colemanite, hanksite, halite, ulixite, calcite and some other borates. The most common and notable occurrence of borax are from Boron, Death Valley, Trona, Turkey, Tibet, Andes Mountains, some localities in California. The best indication fields that can be employed for indicating borax are its color, associations, crystal habits ,its locality and it density.
History(Origination of Borax):
Borax as discovered in the ancient times and was considered
as a valuable substance primarily because of its uses, by its founders. Borax
was used for mummification by the Egyptions,while the Roman used it for glass making. It was transported from
Tibet to Europe in the 13th century by Marco Polo Carvans. Borax was
considered as a one of a kind and rare commodity in California in 1850s.Mining
of Borax started in 1880s at Death Valley in California. The
word Borax is an arabic word– the Arabic
is said to be from the Persian burah a
word that may have meant potassium nitrate or another fluxing agent. Another
name for borax is tincal, from Sanskrit.
Natural sources:
Borax occurs in
arid regions, forming from evaporation of saline lakes. Borax is also
synthetically formed as a by-product of mining operations of Borate deposits,
and most of the specimens from the famous mine at Boron, California, are formed.
Borax rock crushing plant to powder form.
Uses: From the time of its discovery till the present times
the users and the scientists have managed to discover and make use of Borax in
different walks of life.
Due to its chemical Properties it is a good neutron absorber
and it’s used in Nuclear Reactors and spent fuel pools to reactivity or either
shut down a nuclear reactor in some cases.
Borax is used in making very good buffering agent and Borate
Buffers usually at pH 8 are used for preferential equilibration solution in
DMP-based crosslinking reaction, it is used in swimming pool to control the pH
in it. The BBS (Borate Buffered Saline) is used in coating procedure.
The major use of borax as household product is ,that it
makes itself a very good cleaning and washing agent. Cleaning and washing agent
for laundry, handwash ,bath, cleaning household
metallic and nonmetallic objects like car, bike, dishes.
It works as a very active indoor and out insecticides, ant killer and baits .
Borax has and is playing a part in the gold mining industry.
It has substituted mercury, and is being
used as a favorable method for extracting gold in small scale mining
facilities. This method has named as borax method and is active in Philippines.
As food
additive and presevative borax have been used for quite a while as additive in
various foods. Since and borax are
effective against yeasts, and to a much lesser extent, against moulds and
bacteria, they can be used to preserve food products. In addition, borax as additives can be used to increase the
elasticity and crispiness of foods as well as prevent darkening of shrimps.
There are
several other uses of Borax from fluoride detoxification to cleaning brain
cavity of a skull for mounting borax is definitely can be said is blessing in
face of the earth from mother nature.
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