List of Articles Single-drop microextraction Open Access Article Abstract Page Full-Text 1 - Ultra-Trace Determination of Copper and Silver in Environmental Samples by Using Ionic Liquid-Based Single Drop Microextraction-Electrothermal Atomic Absorption Spectrometry J. Abolhasani M. Amjadi E. Ghorbani Kalhor 10.22034/jchr.2018.544036