Understanding the Importance of Labile Fe(III) during Fe(II)-Catalyzed Transformation of Metastable Iron Oxyhydroxides - Juan Liu; Sheng, Anxu; Li, Xiaoxu; Yuji Arai; Yuefei Ding; Mingjun Nie; Mingquan Yan; Rosso, Kevin M (Environmental Science and Technology, 2022)