Enhanced full-process method for the quantitative analysis of PFAS in sludge: Robust extraction and matrix effect-minimized method - Song Li; Jingwei Yan; Wanying Zhai; Wenbo Yu; Timing Jiang; Jing Chen; Xiaofeng Bai; Sha Liang; Shushan Yuan; Huabo Duan; Jiakuan Yang (Water Research, 2026)