法医学杂志

法医学杂志 ›› 2006, Vol. 22 ›› Issue (6): 421-423+.

• 论文 • 上一篇    下一篇

气相色谱法测定海洛因含量的测量不确定度评定

卓先义;马栋;卜俊;沈保华;   

  1. 司法部司法鉴定科学技术研究所,司法部司法鉴定科学技术研究所,司法部司法鉴定科学技术研究所,司法部司法鉴定科学技术研究所 上海200063,上海200063,上海200063,上海200063
  • 发布日期:2006-12-25 出版日期:2006-12-28

Evaluation of Uncertainty in Determination of Heroin by GC

ZHUO XIAN-YI, MA DONG, BU JUN, SHEN BAO-HUA (INSTITUTE OF FORENSIC SCIENCES, MINISTRY OF JUSTICE,P.R.CHINA, SHANGHAI 200063, CHINA)   

  • Online:2006-12-25 Published:2006-12-28

被引次数

10

摘要： 目的探讨气相色谱法测定海洛因含量的测量不确定度评定。方法从测定程序分析不确定度来源,并计算各不确定度分量及合成不确定度,得出总不确定度。结果重复性测定不确定度分量最大,气相色谱仪误差次之,而玻璃容量器具天平及对照品所引起的不确定度分量对总不确定度的影响可忽略不计。结论气相色谱法测定海洛因含量的测量不确定度主要来源于重复性测定的误差及气相色谱仪的误差。

关键词: 气相色谱法, 海洛因, 不确定度

Abstract: Objective To estimate the inevitable uncertainty of determining heroin by GC. Methods The source of the uncertainty was confirmed from the determining procedure. Each component′s uncertainty was calculated. The combined uncertainty was then obtained by synthesizing the uncertainties of various components variables, and the expand uncertainty was finally obtained. Results The uncertainty of repeated measurement was greater than other uncertainty components introduced by balance,content vessels and instruments in determining heroin. Conclusion The errors of repeated measurement and GC instrumental were confirmed as the major sources of uncertainty in determining heroin by GC.

Key words: gas chromatography, heroin, uncertainty