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dc.contributor.authorLiao, Bo-Xien_US
dc.contributor.authorGong, Wen-Chengen_US
dc.contributor.authorLi, Ziyien_US
dc.contributor.authorTsai, Chuen-Jinnen_US
dc.date.accessioned2019-08-02T02:15:25Z-
dc.date.available2019-08-02T02:15:25Z-
dc.date.issued1970-01-01en_US
dc.identifier.issn0278-6826en_US
dc.identifier.urihttp://dx.doi.org/10.1080/02786826.2019.1626345en_US
dc.identifier.urihttp://hdl.handle.net/11536/152154-
dc.description.abstractThe particle mass measurement instrument of the aerosol particle mass analyzer (APM) tends to underestimate the particle mass of sub-50 nm nanoparticles, limiting the APM mass measurement to larger particles. In the present work, a mass correction method was developed based on a calibration reference to correct the APM mass underestimation according to a measured mass-based dimensionless parameter The correction was tested using laboratory generated silver nanoparticles and ambient nanoparticles. It was found that the measured effective density variations of silver nanoparticles due to different extent of APM mass underestimation at different operating conditions were reduced by the correction method with a significant improvement of R-squared from 0.40 to 0.87. In addition, about 20% increase in the effective density from 0.91 to 1.09 g/cm(3) was observed for 30 nm ambient wet nanoparticles using the correction method. The difference between the raw and corrected effective densities is due to the mass underestimation by the APM itself, which should be corrected in the data analysis program of the APM. Copyright (c) 2019 American Association for Aerosol Researchen_US
dc.language.isoen_USen_US
dc.subjectKihong Parken_US
dc.titleA mass correction method for the aerosol particle mass analyzer to measure the particle mass of sub-50 nm nanoparticlesen_US
dc.typeArticleen_US
dc.identifier.doi10.1080/02786826.2019.1626345en_US
dc.identifier.journalAEROSOL SCIENCE AND TECHNOLOGYen_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department環境工程研究所zh_TW
dc.contributor.departmentInstitute of Environmental Engineeringen_US
dc.identifier.wosnumberWOS:000475235300001en_US
dc.citation.woscount0en_US
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