VDI 2119-2013
环境空气测量 使用 Sigma-2 被动采样器在受体表面采样大于 2.5 µm 的大气颗粒 通过光学显微镜表征和计算沉降率和质量浓度
Ambient air measurements - Sampling of atmospheric particles > 2,5 ?m on an acceptor surface using the Sigma-2 passive sampler - Characterisation by optical microscopy and calculation of number settling rate and mass concentration