Sampling equipment for high flow PM2.5 sampler, the flow rate to 1.05 m3 · min -1. <br>In this experiment, a quartz filter, and the filter is placed in front of the sample in a muffle furnace firing at 450 ℃ 4 h, then placed in 26 ℃, 30% relative humidity in a thermo-hygrostat tank balance 24 h, and finally analysis weighing scales and cryopreserved.
正在翻译中..