The Probert Encyclopaedia of Science & Technology

FLUORIDE

Fluorides are the metalic salts of hydrofluoric acid. Calcium fluoride and cryolite are the most common fluorides, and occur naturally. Othe fluorides are prepared artificially by neutralizing the hydrofluoric acid with metallic hydroxides or carbonates. The term 'flouride' used in popular language refers to sodium flouride, which is controversially added to drinking water supposedly to help strengthen tooth enamel against decay.
Research Fluoride