Fluorine was first identified by Carl Wilhelm Scheele in 1771AD, and was later isolated by the French chemist, Henri Moissan in 1886AD. Even though very little advancement had been made in chemistry tools at the time of his isolation, Moissan came up with a way to electrolyze a solution of potassium fluoride in hydrofluoric acid, producing the gas fluorine. After continuous studies, Moissan was able to make a full study of the properties of the element and its reactions. For his work, Moissan was rewarded by winning the Nobel Prize for chemistry.
The word fluorine comes from the Latin word “fluere” meaning, “to flow.”
Now, fluorine is the seventeenth most abundant element in the earth’s crust. Fluorine never had any commercial production until World War II; when the nuclear bomb project and nuclear energy applications made it necessary to produce large quantities, because fluorine and its compounds are used in the production of uranium.
Some basic physical properties about the element fluorine include, that it has a pale yellow color, it is a corrosive gas, it has a structure of 9 protons, 9 electrons, and 10 neutrons, 7 valence electrons, and an electronic configuration of (He)2s22p5.
Chemical properties of fluorine consist of having a cubic crystal structure, and is a gas at room temperature; it is the lightest of all halogens, and is the most chemically active of the nonmetallic elements. Fluorine is a highly dangerous element, causing severe chemical burns on contact with the skin.
Fluorine occurs naturally in the combined form as fluorite. Most fluorine compounds are derived from fluorite, and it is mined in the United States. Fluorine also arises in seawater, rivers, mineral springs, in stems of certain grasses, and in the bones and teeth of animals.
Fluorine can be obtained as a highly reactive and corrosive, highly toxic, pale yellow gas by using electrolysis, the use of electrical currents to separate different substances, of hot molten mixtures such as hydrogen fluoride and potassium fluoride. However, once it has been obtained, fluorine is difficult to store because it reacts with a lot of minerals. Due to safe handling techniques, they have enabled the transport of liquid fluorine by the ton.
As I mentioned early that fluorine is used in the production of uranium, it is also used to produce many more commercial fluorochemicals. Such as, high-temperature plastics, hydrofluoric, which etches glass of light bulbs, fluorochlorohydrocarbons, which are extensively used in air conditioning and refrigeration. So the next time you walk into your house and feel the refreshing breeze of the a.c. on a hot summer day, you can thank fluoride for that; or the next time you turn on the light bulb down in the basement so the boogie-man doesn't get you, you can thank fluoride for that.
The most popular reference that people may put fluorine with is when you were in kindergarten, and they made you take a small swish of fluoride everyday, to help your teeth enamel, or that fluoride is put into drinking water and toothpaste, at very low amounts, so it can help your enamel.
However, an article by Dr. Mark Breiner, states that he stopped his practice of using fluoride, because it was a, “toxic poison, and it did not decrease tooth decay.” He also started that no blinded studies showed a decreases in tooth decay when the water is fluoridated; however, there are studies to show harm from the fluoridation of water. Stating, there is increased risk of hip fracture, birth defects, cancer, arthritis, thyroid dysfunction, and lowering of a person’s IQ.
Even so, the article did state that fluoride works topically, meaning it is an enzyme killer and thus kills the bacteria in the mouth that causes tooth decay.
A realistic solution for this problem is to not put it in the drinking water, just use it in toothpaste or swish with it.
No matter what, fluorine is an element that needs to be thanked, because without it we may have lost WWII, never had the creation of air conditioning, and most importantly are pearly whites, wouldn’t be as pearly white.
resources
Breiner, Dr. Mark . "The Fluoride Controversy- What's the Truth?." Whole Boby News Update 2004: 1.
"Fluorine." Fluorine. 28 Sep 2008
"Fluorine Properties." 28 Sep 2008
3 comments:
Wow who knew Fluorine was so interesting. good job on your blog!
Good job..i neverrealized how interesting fluorine was!
Fluoridation and Tea Don’t Mix, Studies Continue to Show
Fluoride in tap water puts tea drinkers at risk of damaged bones, discolored teeth and soft tissue harm, studies show.
Tea has naturally high fluoride levels. Excess fluoride can weaken bones and discolor children’s un-erupted teeth. When fluoridated water is used to make tea, fluoride levels consumed can be health damaging.
Four cups, of 20 teas sampled, delivered 0.8 to 1.8 mg of fluoride, when non-fluoridated water was used, reports Cao et al. in Food Chemistry.
“Among populations habitually consuming black tea, water fluoridation is not only unnecessary but also possibly harmful…The target organs of chronic fluoride intoxication are not only the teeth and skeleton, but also the liver, kidney, nervous and reproductive systems,” they write.
A March 2008 Food and Chemical Toxicology study found up to 4.5, 1.8, and 0.5 mg/L fluoride in black, green and white teas, respectively, when brewed for 5 minutes (61 teas sampled).
Brewed teas could contain up to 6 mg/L fluoride depending on the amount of dry tea used, the water fluoride concentration and the brewing time, according to the American Dental Association (ADA).
According to 1997 ADA data, 3 and 4 milligrams daily is adequate for women and men, respectively, to prevent fluoride’s adverse effects. It’s much lower for children. In 2006, the National Research Council reported the basis for those levels should be reduced.
Case Reports by Cao and Yi in the Journal of Fluorine Chemistry (February 2008) “Tea and fluorosis:”
--A 57-year-old Englishman’s misdiagnosed Paget’s disease (weakened bones) with osteoarthritis was finally correctly diagnosed as skeletal fluorosis caused by his long-term heavy tea-drinking habit.
--A Pakistani woman’s dental fluorosis resulted solely from tea which she consumed from age two.
--A 36-year-old Chinese woman’s ten-years of joint pain disappeared when she stopped drinking tea.
--French doctors identified 5 patients who developed bone softening (osteomalacia) from drinking tea.
-- An American woman's fluoride-caused debilitating joint pains disappeared when her two-gallon-a-day iced-tea habit stopped.
"By 2020, one in two Americans over age 50 will be at risk for fractures from osteoporosis or low bone mass," according to the Surgeon General.
“It’s clear that fluoridation is increasing Americans’ bone damage. Presidential candidates must pledge to stop water fluoridation if they truly care about individuals and not fluoridation-supporting special interest groups such as the American Dental Association,” says attorney Paul Beeber, President, New York State Coalition Opposed to Fluoridation, Inc.
Fluoride is in many foods as determined by the USDA http://www.ars.usda.gov/Services/docs.htm?docid=6312
According to American Dental Association, the adequate intake of fluoride to avoid moderate fluorosis (yellow teeth) is:
-- 0.01 mg/day for 0 to 6-month-olds
-- 0.5 mg/day for 7 through 12 months
-- 0.7 mg/day for 1 to 3-year-olds
-- 1.0 mg/day for 4 to 8-year-olds
Mild fluorosis is white spots, lines or blotches to the teeth and can occur at levels lower than the above.
The CDC reports that fluorosis afflicts up to 48% of US school children - 4% of it severe.
Both the ADA and CDC advise that infant formula should not be mixed with fluoridated water.
New York State Coalition Opposed to Fluoridation
http://www.orgsites.com/ny/nyscof
http://www.FluorideAction.Net
Past News Releases: http://tinyurl.com/NewsReleases
References:
Food Chemistry, "Safety evaluation on fluoride content in black tea," by Cao et al. (November 2004)
Food Chemical Toxicology, "Assessment of fluoride concentration and daily intake by human from tea and herbal infusions," by Malinowska et al. (March 2008)
Journal of Fluorine Chemistry, "Tea and fluorosis," by Juan Yi and Jin Cao (February 2008
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