Chamsaz, Mahmoud, Ali Sarafraz Yazdi, and Fatemeh Dousti. 2013. “Vortex-Assisted Ionic Liquid Microextraction Coupled to Graphite Furnace Atomic Absorption Spectrometry for Preconcentration and Determination of Trace Levels of Cadmium in Real Samples”. Asian Journal of Chemistry 25 (13):7543-47. https://doi.org/10.14233/ajchem.2013.15098.