Corrigendum to "Individual and Simultaneous Stripping Voltammetric and Mutual Interference Analysis of Cd2+, Pb2+ and Hg2+ with Reduced Graphene Oxide-Fe3O4 Nanocomposites" Electrochimica Acta 185 (2015) 52–61. (10th January 2016) - Xiong, Shiquan; Yang, Bingyi; Cai, Dongqing; Qiu, Guannan; Wu, Zhengyan