Zhu, W., Yang, C., Song, H., Wang, Q., & Du, K. (2012). Study on Adsorption Characteristics of Cr(VI) on Poly(N,Nā€™-dimethylamino ethyl methacrylate) Hydrogels. Asian Journal of Chemistry, 25(4), 2293ā€“2296. https://doi.org/10.14233/ajchem.2013.AB105