A New Photoacoustic Soot Spectrophone for Filter-Free Measurements of Black Carbon at 880 nm

被引：1

作者：

Abichou, Goufrane ^{[1
,2
]}

Ngagine, Soulemane H. ^{[1
]}

Ba, Tong N. ^{[1
]}

Wang, Gaoxuan ^{[1
]}

Flament, Pascal ^{[1
]}

Deboudt, Karine ^{[1
]}

Dusanter, Sebastien ^{[2
]}

Sigrist, Markus W. ^{[3
]}

Tomas, Alexandre ^{[2
]}

Chen, Weidong ^{[1
]}

机构：

[1] Univ Littoral Cote dOpale, Lab Phys Chim Atmosphere, 189A Ave Maurice Schumann, F-59140 Dunkerque, France

[2] Univ Lille, Ctr Energy & Environm, Inst Mines Telecom, IMT Nord Europe, 941 Rue Charles Bourseul, F-59500 Douai, France

[3] Swiss Fed Inst Technol, Laser Spect & Sensing Lab, Inst Quantum Elect, Otto Stern Weg 1, CH-8093 Zurich, Switzerland

来源：

MOLECULES | 2022年 / 27卷 / 18期

关键词：

light absorption; photoacoustic spectroscopy; black carbon; LIGHT-ABSORPTION; SPECTROMETER; INSTRUMENTS; CALIBRATION; SENSOR; GAS;

D O I：

10.3390/molecules27186065

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A new photoacoustic soot spectrometer (PASS) operating at 880 nm was developed, for the first time, for filter-free measurements of black carbon (BC). The performance of the developed PASS was characterized and evaluated using a reference aethalometer AE51 on incense smoke in the air. An excellent correlation on the measurement of incense smoke was found between the two instruments in comparison with a regression coefficient of 0.99. A 1 sigma detection limit of 0.8 mu g m(-3) was achieved for BC measurement at a time resolution of 1 s. It can be further reduced to 0.1 mu g m(-3), using a longer integration time of 1 min.

引用

页数：12

共 42 条

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