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  • Title: The effect of sample hemolysis on blood ethanol analysis using headspace gas chromatography.
    Author: Kosecki PA, Brooke P, Abbott L, Canonico E.
    Journal: J Forensic Sci; 2021 May; 66(3):1136-1142. PubMed ID: 33768533.
    Abstract:
    Hemolysis, a common occurrence in blood collected for chemical analysis, has been reported to affect analytical test results for some analytes depending upon the material tested and the analytical technique employed. The potential for hemolysis to impact blood ethanol determinations using headspace gas chromatography of samples diluted with an internal standard was investigated. A sample of non-hemolyzed blood and a matched sample of hemolyzed blood were both analyzed thirty times for ethanol concentration using headspace gas chromatography. The mean ethanol concentration measured for the non-hemolyzed samples was 0.0639 g/dl. The mean ethanol concentration measured for the hemolyzed samples was 0.0642 g/dl. The calculated t value, 1.897, was less than the critical t value, 2.002, at a 0.05 level of significance. There was no measured statistical difference detected between the mean blood ethanol concentration determined for a hemolyzed whole blood sample and a non-hemolyzed whole blood sample.
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