Fatal cases of acute suicidal sodium and accidental zinc fluorosilicate poisoning. Review of acute intoxications due to fluoride compounds

Forensic Science International : Synergy
Teresa Lech

Abstract

Fluoride, of all inorganic substances, is among the least likely to be identified by a routine toxicological analysis. Acute poisonings with salts of hydrofluoric or fluorosilicic acid, however, although relatively uncommon, may occur. Some fluorosilicates, salts of fluorosilicic acid (e.g. Al, Zn, Pb, Mg) are used as stone consolidants, others (e.g. sodium fluorosilicate)--in the production of enamel and milk glass, or as insecticide. In this paper, two fatal cases of poisonings are presented: a suicide involving sodium fluorosilicate of a 39-year-old male who died in his flat, without hospitalization, and an accidental ingestion of zinc fluorosilicate solution (probably due to mistaking it for mineral water) by a 38-year-old male at his workplace (building), who died about 3h after ingestion of the liquid, in spite of intensive care at hospitals. Post-mortem samples were examined by the use of the spectrophotometric method with lanthanum nitrate and alizarin complexone for fluorine (after isolation of fluoride compounds by the microdiffusion method) and using a flame atomic absorption spectrometry method for zinc (after mineralization of biological material by sulfuric and nitric acids). In the first case, the results were: b...Continue Reading

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Citations

Feb 20, 2016·Biological Trace Element Research·Kan UsudaJunko Tamaki
Jun 28, 2011·Toxicology in Vitro : an International Journal Published in Association with BIBRA·Natalia I Agalakova, Gennadii P Gusev
Jul 2, 2019·Journal of Occupational and Environmental Medicine·John W DownsS Rutherfoord Rose
Apr 30, 2017·Cell Stress & Chaperones·Lakshmikanthan PanneerselvamEkambaram Perumal
Sep 7, 2019·Journal of Occupational and Environmental Medicine

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