A protocol for the synthesis of high purity nonsymmetric dialkylphosphinic acid extractants is presented, taking (2,3-dimethylbutyl)(2,4,4'-trimethylpentyl)phosphinic acid as an example.
Wang, J., Xie, M., Liu, X., Xu, S. Synthesis of High Purity Nonsymmetric Dialkylphosphinic Acid Extractants. J. Vis. Exp. (128), e56156, doi:10.3791/56156 (2017).