【摘要】 阐述了环境监测分析中不确定度的基本概念和测定不确定度的评估过程,介绍了A类不确定度估算中的贝塞尔法、组合实验标准法、极差法、最小二乘法以及B类不确定度的一般信息来源及估算,并结合环境监测分析的具体情况,举例分析操作过程中不确定度各分量的估算,建立了测量结果的溯源性,对实验室提供数据的质量保证具有十分重要重的意义。更多还原

【Abstract】 The basic concept and estimation of uncertainty in environment monitoring analysis were described, including type A evaluation of uncertainty, normal source and estimation of type B evaluation. Estimation of uncertainty and source of measurement in operation of environment monitoring were detailed, which was very important to guarantee quality of laboratory data.更多还原