1. Chaudry, MA and Ahmad, S. (1997) Supported liquid membrane technique for the removal of chromium Waste Manage., 17, pp. 211 - 218.
2. O'Dwyer, TF and Hodnet, KH. (1995) Recovery of chromium from tannery effluents using redox adsorption approach Journal Chemist. Tech. Biotechnol., 62, pp. 30 - 34.
3. Chiarzia, R. (1991) Application of supported liquid membrane for removal of nitrate, technetium(VII) and chromium(VI) from groundwater J. Membrane Sci., 55, pp. 39 - 64.
4. Huang, TC and Huang, CC and Chen, DH. (1998) Transport of Cr(VI) through a supported liquid membrane containing a tri-n-octylphosphine oxide Separ. Sci. Technol., 33, pp. 1919 - 1935.
5. Djane, NK and Ndungu, K and Jhonson, C and Sartz, H and Tornstrom, T and Mathiasson, L. (1999) Chromium speciation in natural waters using serially connected supported liquid membranes Talanta, 48, pp. 1121 - 1132.