空气采样技术及不确定度分析

Air sampling technique and its uncertainty analysis

本文介绍了室内环境空气质量检测的采样技术 ,对常用的直接采样法和富集采样法的特点、使用条件进行了阐述 ,分析了富集采样法的不确定度 ,指出采样过程中应注意的一些常见问题。

This paper introduces the sampling techniques used in indoor air quality detection.The characteristics and application condition o f direct and enriching sampling methods are discussed.The uncertainty of enrich ing sampling method is analyzed.The paper also points out the problems most oft en occurring during indoor air sampling.