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What is Iodine? Origin / Meaning of the name Iodine
The
name originates
from the Greek word Iodes meaning "violet" because of
its violet vapors.
What is Iodine? Periodic Table Group and Classification of the Iodine Element
Elements can be classified based on their physical states (States
of Matter) e.g. gas, solid or liquid. This element is a solid. Iodine
is classified
as an element in the 'Halogens' section which can be located in
group 7 of the Periodic Table. The term "halogen" means
"salt-former" and compounds containing halogens are called
"salts". The halogens exist, at room temperature, in all three
states of matter - Gases such as
Fluorine
&
Chlorine, Solids such
as Iodine and
Astatine
and Liquid as in Bromine.
What is Iodine? Facts about the
Discovery and
History of the Iodine
Element
Iodine was discovered in
1812 by Courtois in the ashes of sea plants including sea weed. Its
presence was revealed by its beautiful violet vapor, and this
suggested the name iodine (from the Greek for violet
appearance). Samples of Iodine were passed to his friend
Charles Bernard Desormes (1777-1862) who continued experimenting
with the element.
What is Iodine? Occurrence of the Iodine Element
In the combined state iodine occurs in very small quantities in
sea water, from which it is absorbed by certain sea plants, so
that it is found in their ashes. It occurs along with bromine in
salt springs and beds, and is also found in Chili saltpeter.
Commonly obtained from
Sodium
and
Potassium
compounds.
For additional facts and
information refer to Iodine
Properties.
Medical Uses of
Iodine - Health and Treatments
Interesting information on
the Medical Uses of Iodine, Health and Treatments. Iodine is
used in the diagnosis and treatment of thyroid diseases and
cancer of the thyroid. Its most common use is in liquid form
containing iodine dissolved in ethyl alcohol, used as an
antiseptic for wounds.
Associated Uses of Iodine
Germicides
Antiseptics
Dyes
Table salt
Organic chemistry
Photography
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