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[The quantitative determination of cyanide by FTD-GC]
Nihon Hoigaku Zasshi = the Japanese Journal of Legal Medicine
|April 1, 1989
Summary
A new method using Flame Thermionic Detector Gas-Chromatography (FTD-GC) offers a faster and more convenient way to measure hydrogen cyanide (HCN) in blood after fires. This technique simplifies HCN detection compared to traditional methods.
Area of Science:
- Forensic Toxicology
- Analytical Chemistry
- Environmental Health
Context:
- Modern buildings utilize materials that can release hydrogen cyanide (HCN) during fires.
- Assessing HCN blood concentration is crucial for victims of fires, alongside carboxyhemoglobin (CO-Hb%).
- Existing HCN measurement methods are time-consuming and require extensive reagent preparation.
Purpose:
- To develop a rapid, convenient, and accurate method for measuring blood hydrogen cyanide (HCN) concentrations.
- To overcome the limitations of traditional HCN detection techniques.
Summary:
- A novel method employing Flame Thermionic Detector Gas-Chromatography (FTD-GC) with headspace analysis was investigated for quantifying HCN.
- Potassium cyanide (KCN) solutions in distilled water and blood were used, with concentrations ranging from 0.5-6 µg/ml.
- The FTD-GC method demonstrated convenience and significant time savings compared to colorimetry and other chromatographic techniques, despite slightly lower readings in blood samples.
Impact:
- Provides a practical and efficient tool for forensic and clinical toxicology.
- Enables quicker assessment of HCN exposure in fire victims.
- Facilitates improved post-fire medical evaluation and treatment decisions.