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Unacceptably high levels of fluoride in commercial preparations of silver fluoride

1997/02/01 by T. Gotjamanos, Fernando Afonso · 2 citations
Chemistry · Environmental Science · #Aqueous solution #Chemistry #Dentifrice #Fluoride #Fluoride Effects and Removal #Inorganic chemistry #Nuclear chemistry #Organic chemistry

paper · pdf · doi:10.1111/j.1834-7819.1997.tb00097.x

openalex publication_date 1997/02/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/02

Abstract

Instead of expected fluoride ion concentrations of around 60,000 ppm, commercial preparations of 40 per cent aqueous silver fluoride were found to contain 120,000-127,000 ppm. Information received from the Western Australian Chemistry Centre which provided independent confirmation of the higher than expected [F] indicates that the currently available commercial preparations contain silver difluoride rather than silver fluoride. In view of the potential of fluoride-containing products such as dentifrices (1000-1500 ppm F) and topical fluoride gels and solutions (6000-12,000 ppm F) to cause adverse effects if excessive quantities are ingested, any product that contains 120,000 ppm [F] should be regarded as carrying a high risk of toxicity when used on young children.

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