常用口罩对PM_(2.5)的防护效果模拟比对  

Comparison of PM_(2. 5) screening effects for 5 protective masks

作　　者：张先宝 邱坚 陈诚[2] 

机构地区：[1]镇江市环境监测中心站,江苏镇江212000 [2]江苏省环境监测中心,南京210036

出　　处：《环保科技》2015年第3期6-8,20,共4页Environmental Protection and Technology

基　　金：2013年江苏省监测科研基金项目(1321号)

摘　　要：在室外环境空气中,利用2台同型号PM2.5自动监测设备,对市面上常见的5类口罩进行全天候的同步模拟比对试验,比较各类口罩对PM2.5的防护效果。模拟试验结果表明,不是所有的口罩对PM2.5都有防护作用,试验选择的5类口罩中,有防尘特殊要求的N95和N90口罩防护效果较好。In this paper, 5 masks＇blocking effects against PMz.5 were synchronously tested. The test used 2 sets of PM2.s automatic monitoring equipments of same model and went on under actual ambi- ent air conditions for a whole day. The results showed that not all masks had protective effect for PM2.5, and in blocking PM2.5, N95 and N90, which were designed for special dust -proof, were su- perior among 5 tested masks.

关 键 词：口罩 PM2.5 模拟比对 

分 类 号：X513[环境科学与工程—环境工程]