ASTM D6271评估环境烟草烟雾对茄呢醇基可吸入悬浮颗粒促成作用的标准试验方法
日期:2012-02-08 10:39
nt particulate matter (FPM) (see Test Method D5955), but does not require them. UVPM and FPM, which are based on the ultraviolet absorbance and fluorescence of the filter extract, are also used to estimate the contribution of ETS to RSP.
1.3 The sampling components consist of a 1.0-m pore size polytetrafluoroethylene (PTFE) membrane filter in a filter cassette connected on the inlet end to a particle size separating device and, on the outlet end, to a sampling pump. This test method is applicabl
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