Toxicity amount of fluoride containing compounds varies depending on the structure, their reactivity and if they're soluble in water. Sodium fluoride or NaF is one type that is commonly utilized in toothpastes and sometimes in water fluoridation.
NaF is classified as mildly toxic. Excessive consumption has caused numerous deaths. All of the deaths involved children eating toothpaste, which can be one of the reasons that supervised brushing is advised until at least age 6.
In one or more death, the over-fluoridation of a public water supply was the cause. 1.5mg/L is advised by the World Health Organization as the utmost level that needs to be contained in water supplies. In a single accident, the particular level was 220mg/L. Hundreds of men and women became ill and one death was attributed to the excessive NaF in the water.
Acute symptoms of excessive consumption include nausea, diarrhea and vomiting. Because those symptoms are commonly seen in a number of other illnesses, doctors could have difficulty detecting the underlying cause.
Fluorosilicic acid and best household water purifier price in bd Sodium fluorosilicate are two of another compounds commonly used for water fluoridation. In the US, about 9% of treatment facilities use NaF. About 28% use Sodium fluorosilicate. The others use Fluorosilicic acid, primarily because it is cheap.
The toxicity of fluoride ions in Fluorosilicic acid, which can be also called Hexafluorosilicic acid, is the same as that of hydrogen fluoride. It is more toxic than NaF.