Evaluation of an annular denuder for atmospheric PAH partitioning studies-2: evaluation of mass and number particle losses

被引：22

作者：

Temime-Roussel, B ^{[1
]}

Monod, A ^{[1
]}

Massiani, C ^{[1
]}

Wortham, H ^{[1
]}

机构：

[1] Univ Aix Marseille 1, Lab Chim & Environm, F-13331 Marseille, France

来源：

ATMOSPHERIC ENVIRONMENT | 2004年 / 38卷 / 13期

关键词：

annular denuder; particulate PAH; calibration;

D O I：

10.1016/j.atmosenv.2004.01.006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Transmission efficiency of particles through an eight-channel annular denuder coated with XAD-4 was experimentally determined for particles ranging between 0.04 and 8.24 mum. Two sampling flow rates were tested, 17 and 341 min(-1). The results show that the mean transmission efficiencies in number are, respectively, 96% and95% fora sampling flow rate of 17 and 341 min(-1) (particle size ranging between 0.04 and 8.24 mum), while in mass it is, respectively, 84 (+/-14)% and 81 (+/-21)% for a sampling flow rate of 17 and 341 min(-1). A comparison between these experimental results and theoretical transmission calculations shows that XAD-4 coating has no significant effect on the transmission efficiency. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：1925 / 1932

页数：8

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