【摘要】 目的 通过调研确定激光法作为室内空气中可吸入颗粒物检验标准方法。方法 采用激光法进行实验研究与现场监测相结合的方法并同步与经典称重法进行比较。结果该方法2项实验结果相对标准差分别为5.45%、3.54%;采用美国NIOSH标准规定的方法三地实验结果计算该方法总准确度分别为18.80%、23.00%、21.22%;同称重法比较，两法差异无显著性(P>0.05);结果表明激光法等效于称重法。结论 该方法可用于室内空气中可吸入颗粒物质量浓度的测定。

    关键词 可吸入颗粒物 激光法 称重法

    Study on the stardard method of laser method analysis of inhaling particles in the room-air

    Xu Yeling，Zhang Huailing，Jiang Jialin，et al.

    An’hui Provinical Center for Preventing and Controlling Diseases，An’hui230061.

    【Abstract】 Objective To develop stardard method of laser method analysis of inhaling partides in the room-air.Methods Laser method was combined with on-site monistoring，its results mere compared with ones of insituˉtional weighting method.Results The relative standard deviations of two experiment reults by laser method were5.45%，3.54%respectively.By calculating with US NIOSH criterion ......