Soomro, Rubina, Saima Q. Memon, M. J. Ahmad, & Najma Memon. "Utilization of Bis(salicylaldehyde)orthophenylenediamine for the Separation of Gold and Chromium by Capillary Zone Electrophoresis." Pakistan Journal of Analytical & Environmental Chemistry [Online], 11.2 (2010): 7. Web. 23 Nov. 2017