[HTML][HTML] Application of Stable Isotopes in Identifying the Sources and Formation of Sulfate and Nitrate in PM2.5: A Review
J Peng, C Cheng, S Wang, G Hu, J Yan, R Yu - Atmosphere, 2024 - mdpi.com
Sulfate and nitrate are important components of atmospheric PM2. 5, which is the main
contributor of haze. Therefore, studying the sources and formation mechanisms of …
contributor of haze. Therefore, studying the sources and formation mechanisms of …
Long-term Trends of PM2. 5 Composition during Cold Seasons in Shanghai after Releasing Clean Air Action Plan
R Wang, X Ye, W Huang, Z Lv, Y Yao, F Yang… - Aerosol and Air Quality …, 2024 - aaqr.org
Reducing PM2. 5 pollution remains a great challenge during wintertime in Shanghai. Here,
we investigated the long-term trends of aerosol composition and formation mechanism in the …
we investigated the long-term trends of aerosol composition and formation mechanism in the …
Refined source apportionment of nitrate aerosols based on isotopes and emission inventories in coastal city of northern China
Y Ni, L Luo, S Liu, J Huang, Y Li, J Qi - Science of The Total Environment, 2024 - Elsevier
The increasing mass percentage of nitrate (NO 3−) in PM 2.5 in North China Plain (NCP)
from 2013 (20.5%) to 2019 (28.7%) indicates that NO 3− became the most prominent …
from 2013 (20.5%) to 2019 (28.7%) indicates that NO 3− became the most prominent …
Dual isotopic evidence of δ15N and δ18O for priority control of vehicle emissions in a megacity of East China: Insight from measurements in summer and winter
W Huang, X Ye, Z Lv, Y Yao, Y Chen, Y Zhou… - Science of The Total …, 2024 - Elsevier
The source apportionment and main formation pathway of nitrate aerosols in China are not
yet fully understood. In this study, PM 2.5 samples were collected in Shanghai in the summer …
yet fully understood. In this study, PM 2.5 samples were collected in Shanghai in the summer …
Evaluating sources and oxidation pathways of nitrate aerosols across altitudes: A year-long study using oxygen isotope anomaly and stable nitrogen isotopic …
Abstract Nitrate aerosol (NO 3−) has increasingly contributed to particular matter pollution in
many regions worldwide, yet the relative contributions of key sources and oxidation …
many regions worldwide, yet the relative contributions of key sources and oxidation …
Combination of Multiple Isotopes and PMF Model Provide Insights Into the Method Optimization of PM2.5 Source Apportionment During Haze Episodes
X Feng, Y Chen, H Jiang, J Cai, Z Liu… - Journal of …, 2024 - Wiley Online Library
The key problems with Positive Matrix Factorization (PMF) model for PM2. 5 source
apportionment were inconsistent results with different species selections and a lack of …
apportionment were inconsistent results with different species selections and a lack of …
15N Fractionation of Nitrate Formation Constrained by Dual Oxygen Isotopes Provides Insight Into Its Source Identification in Urban Haze
X Feng, Y Chen, Y Peng, W Song… - Journal of …, 2025 - Wiley Online Library
Abstract δ15N‐NO3− is widely used to trace the NOx/NO3− emission sources without
unique source tracers. However, there is still controversy regarding the 15N fractionation …
unique source tracers. However, there is still controversy regarding the 15N fractionation …
Changes in the dominant contributions of nitrate formation and sources during haze episodes: Insights from dual isotopic evidence
HW Xiao, TS Chen, QJ Zhang, R Wang… - Journal of …, 2025 - Wiley Online Library
Abstract Inorganic nitrate (NO3−), a crucial component of fine particulate matter (PM2. 5),
has not shown a consistent decrease, despite an obvious decrease of nitrogen oxide (NOx) …
has not shown a consistent decrease, despite an obvious decrease of nitrogen oxide (NOx) …
Dominant role of NO2 oxidation in SO2 conversion to sulfate revealed by synchronous measurements of gas and particle sulfur isotopes in haze episodes
Y Chen, X Feng, Z Liu, H Jiang, Y Feng, T Chen - 2024 - researchsquare.com
The oxidation pathways of SO 2 conversion to sulfate remain controversial. Sulfur isotope (δ
34 S) has been used to trace SO 4 2− formation pathways based on sulfur isotope …
34 S) has been used to trace SO 4 2− formation pathways based on sulfur isotope …