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Related Experiment Videos

Fatal intoxication with a decalcifying agent containing formic acid.

F Westphal1, G Rochholz, S Ritz-Timme

  • 1Institut für Rechtsmedizin im Klinikum der Christian-Albrechts-Universität zu Kiel, Germany. rechtsmedizin@email.uni-kiel.de

International Journal of Legal Medicine
|April 12, 2001
PubMed
Summary
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A fatal formic acid ingestion case highlights its toxicity. High concentrations in body fluids and organs confirmed suicidal intent, leading to severe acidosis and organ failure.

Area of Science:

  • Forensic Toxicology
  • Analytical Chemistry

Background:

  • Formic acid, a component of decalcifying agents, can be lethal if ingested.
  • Accurate quantification of formic acid in biological samples is crucial for forensic investigations.

Observation:

  • A case of fatal formic acid ingestion is presented.
  • Quantitative analysis of formic acid was performed in various body fluids and organs using head-space gas chromatography with flame ionization detection.
  • Morphological findings included oropharyngeal and esophageal ulceration, and necrotic lesions in the stomach and duodenum.

Findings:

  • Blood formic acid levels were initially high (370.3 microg/ml) and decreased after hemodialysis.
  • Post-mortem analysis revealed significant concentrations in heart blood, gastric contents, abdominal fluid, bile, small intestine, liver, and kidney.

Related Experiment Videos

  • Death was attributed to severe metabolic acidosis, hemolysis, bleeding, and hepatic/renal failure.

    • Implications:

    • This case underscores the lethal potential of formic acid and the importance of toxicological analysis in determining cause of death.
    • The findings support oral ingestion as the route of administration with suicidal intent.
    • Head-space gas chromatography is a reliable method for detecting and quantifying formic acid in post-mortem samples.