摘要　建立一种科学合理且可操作性强的气相分子吸收光谱仪校准方法。从仪器的工作原理及结构入手，对该
类仪器提出了检出限、线性相关系数、定量重复性等性能评价参数。利用国家相关标准物质对其检出限的测量不确
定度进行了评定，统一了校准方法，有力地保证了测量数据的准确性、溯源性。对计量技术机构开展该类仪器的校准
工作规范的制定有一定的指导意义。
关键词　气相分子吸收光谱仪；计量；校准；测量不确定度
中图分类号：O657 文献标识码：A 文章编号：1008–6145(2014)03–0082–03
Calibration Technique of Gas-Phase Molecular Absorption Spectrometer
Shi Jianghuan， Li Beibei
(Ningbo Institute of Measurement and Testing Technology， Ningbo　315103， China)
Abstract　The calibration method of gas-phase molecular absorption spectrometer was established. Combining with
the working principle and structure of the instrument， performance evaluation parameters including the detection limit，
measuring linearity，quantitative reproducibility were proposed. Measurement uncertainty of its detection limits by using
the state standard solution was evaluated，which could unify the calibration method to effectively ensure the accuracy and
traceability of the measurement data. Some guidance on the measurement of calibration and formulation of verification
regulation for metrological verification institutions were provided.
Keywords　gas-phase molecular absorption spectrometer; metrology; calibration; measurement uncertainty