Forensically blood alcohol concentration can be measured in a few different ways. if the remains are in the pallor Mortis or Algor Mortis phase the blood alcohol concentration can be determined from a blood sample using gas chromatography. With the increased decomposition of the remains, the alcohol concentration before death can be found using the Vitreous Alcohol Concentration (VAC). This comes from a sample of the vitreous humour taken from the inside of the eye, which is then run through gas chromatography to determine the alcohol concentration. The inside of the eye is more shielded from decomposition and the alcohol produced by fermentation as part of decay.
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