Li, Jianhong, Zheng, Lirong, Wang, Shan-Li, Wu, Zhipeng, Wu, Weidong, Niazi, Nabeel Khan, Shaheen, Sabry M., Rinklebe, Jörg, Bolan, Nanthi, Ok, Yong Sik, Wang, Hailong. Elsevier; 2019. Sorption mechanisms of lead on silicon-rich biochar in aqueous solution: spectroscopic investigation.