Magnetic recovery reveals sequential extraction bias and supports mass-conservative assessment of lanthanum-based sediment phosphorus inactivation - Zhe Wang; Liling Wang; Chengyan Bao; Enyang Liu; Xinnuo Liu; Zezhen Pan; Feijian Mao; Xingxing Wang; Jiake Li; Deyi Wu; Qiang Xie; Zimeng Wang (Water Research, 2026)