Review Articles · Review R1

The Confirmation on Method GA/T 1073-2013

XU Pian, MENG Qingfang, ZHENG Jing

Forensic Science Seminar · 2014 · Volume 4 · Issue 1 · pp. 1-4

Original Abstract

Abstract

Objective To confirm whether the examination method GA/T 1073-2013 for determining the content of ethanol in blood by headspace gas chromatography is feasible under the condition of our laboratory and can cope with large batches of cases in practise. Methods This paper set up experiments about precision, accuracy and repeatability to test some samples with high, medium and low concentration in the range of calibration curve. Through the results from the aboved experiments, the relative standard deviations were caculated. Results The relative standard deviations of the precision, the accuracy and the repeatability are all less than 5%. The average recovery of standard addition was founded to be in the range of 96.50%-99.42%. Conclusion All the results indicated that the method was precise, accurate and repeatable.

Keywords: Forensic science; Confirmation; Headspace gas chromatography; ISTD; Blood alcohol content

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