Crystalline-selected synthesis of ferrous oxalate dihydrate from spent pickle liquorPeng Dong, Huixin Liang, Jingliang Liu, Keyi Wei, Jinbao Zhao, Xue Li and Yingjie ZhangMetall. Res. Technol., 114 5 (2017) 515DOI: https://doi.org/10.1051/metal/2017047