Fluorosilicic acid may be produced as a byproduct during the manufacture of phosphate fertilizer. It may also be prepared by treating grounded phosphate rock with sulphuric acid.1
Journal of prosthodontics : official journal of the American College of Prosthodontists, 17(4), 300-307 (2008-01-22)
Titanium dentures have recently increased in popularity. A decrease in the retentive force of the titanium clasps has frequently been observed. This study investigated the effect of retentive arm design and chemical polishing of titanium clasps. Four Akers clasps with
Community dental health, 13 Suppl 2, 21-26 (1996-09-01)
This paper summaries the technical aspects of water fluoridation in the United States, and gives an overview of the engineering aspects of water fluoridation world-wide. The status of water fluoridation in the USA is summarised. Fluoride chemicals used in the
Journal of hazardous materials, 173(1-3), 576-580 (2009-09-18)
In this article we report recovery of mesoporous silica from the waste material (hexafluorosilicic acid) of phosphate fertilizer industry. The process involves the reaction of hexafluorosilicic acid (50 ml, 24 wt% H(2)SiF(6)) and 100ml, 0.297 M Na(2)CO(3) to generate the
[Fluoride].
B Herazo Acuna et al.
Revista de la Federacion Odontologica Colombiana, 33(148), 61-87 (1984-01-01)
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