Quote:
Originally Posted by Antaletriangle
Sodium fluoride is the main one to worry about.
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Fluorosilicic acid is the one to worry about as per my post here and several others in the forum.
http://en.wikipedia.org/wiki/Hexafluorosilicic_acid
That is what's added to water supplies.
"Hexafluorosilicic acid releases hydrogen fluoride when evaporated, so it has similar risks. It is corrosive and may cause fluoride poisoning; inhalation of the vapors may cause lung edema. Like hydrogen fluoride, it attacks glass and stoneware."
Note the mention of hydrogen fluoride there.
Now look at this-
http://en.wikipedia.org/wiki/Sarin_gas
"Production of Sarin is extremely dangerous given its inherent toxicity, as well as the fact that the flouride ion is also extremely corrosive to the manufacturing equipment itself. Therefore in early synthesis and production, injurious leaks and accidents were commonplace."
Sodium fluoride is also toxic, but nowhere near as nasty as the stuff added to your water supply. Sodium fluoride is found in toothpaste and also in rat poison.
"Sodium fluoride is classed as toxic by both inhalation and ingestion.[7] In high enough doses, it has been shown to affect the heart and circulatory system, and the lethal dose for a 70 kg human is estimated at 5–10 g"
http://en.wikipedia.org/wiki/Sodium_fluoride
Lastly there are naturally occuring fluorides such as calcium fluoride. Also known as fluorspar.
http://en.wikipedia.org/wiki/Calcium_fluoride
You will find this in mineral water all around the world, it's relatively harmless and your body can deal with it.
Sodium fluoride however is quite toxic and as for Hexafluorosilicic acid...well lets just say it's on a par with Sarin gas and you sure as hell don't want any of that around.
I hope I've been clear here and I hope plenty see this and understand.