Dual-carbon isotope analysis of benzene polycarboxylic acids for tracking black carbon across different environments. - Yi, Xin; Zhong, Guangcai; Geng, Xiaofei; Tang, Jiao; Lin, Boji; Zhu, Sanyuan; Gao, Shutao; Yao, Chuxin; Cheng, Zhineng; Zhao, Shizhen; Li, Jun; Zhang, Gan (Applied Geochemistry, 2024)