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Anna Felton
Posted on 23 Apr 2014 9:08 pm

If the fluoride is sourced as Calcium fluoride from fluorspar at what point does it change to Hydrofluorosilicic acid?

It seems strange that the purification process would add these elements (according to Chemifloc's page on HFSA)

Hydrofluorosilicic Acid (10.9%)
Arsenic (As)


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