Geochemical transformation of ferrihydrite: A review on mechanisms, effects of coexisting molecules and environmental implications - Yupeng YAN; Cheng WANG; Muammar MANSOR; Rui JIANG; Xiaoming WANG; Qin ZHANG; Xionghan FENG; Wenfeng TAN; Andreas KAPPLER; Biao WAN (Pedosphere, 2026)