Comparative analysis of new observation methods for carbonaceous aerosol (OC/EC)

被引：0

作者：

Ni, Deng-Feng ^{[1
,2
]}

Lin, Jing-Jing ^{[3
]}

Gao, Jian ^{[1
]}

Xie, Jing-Fang ^{[2
]}

Wang, Jie ^{[4
]}

Guo, Ying-Zhe ^{[5
]}

Ren, Jian-Ning ^{[1
]}

机构：

[1] Chinese Research Academy of Environmental Sciences, Beijing,100012, China

[2] College of Environmental & Resource Sciences, Shanxi University, Taiyuan,030006, China

[3] Shandong Provincial Eco-environment Monitoring Center, Jinan,250101, China

[4] Department of Environmental Science and Engineering, Beijing University of Chemical Technology, Beijing,100029, China

[5] Environment Research Institute, Shandong University, Qingdao,266237, China

来源：

Zhongguo Huanjing Kexue/China Environmental Science | 2020年 / 40卷 / 12期

关键词：

Aerosols - Light transmission;

D O I：

暂无

中图分类号：

O43 [光学]; T [工业技术];

学科分类号：

070207 ; 08 ; 0803 ;

摘要：

Based on two protocol analysis methods, Thermo-light reflection method (IMPROVE A) and Thermo-optical transmission method (RT-Quartz), and the new OC/EC analysis method, comparative analysis of carbonaceous aerosol content in Jinan was held in this study. The results show that the protocol methods may lead to overestimation or underestimation of the carbonaceous aerosol mass concentration due to the analysis definition during OC/EC observation process, furthermore, the membrane sampling system made the offline OC about 1.65times online. Compared with the two protocol methods, the new OC/EC measurement method does eliminate the errors that may be caused by principle and environmental parameters (such as VOCs), and has certain advantages in the measurement of OC/EC/TC. With more accuracy, stability and practicality in practical operation, the new method will be more suitable for long-term commercial online measurement of OC/EC in particles. © 2020, Editorial Board of China Environmental Science. All right reserved.

引用

页码：5191 / 5197