... An Investigation of Processes in Two-Phase Systems Using Thermal-Lens Spectrometry: Extraction Determination of Copper as Diethyldithiocarbaminate . Abstract Performance parameters of extraction–thermal-lens determination of copper by diethyldithiocarbaminate. ... Moscow University Chemistry Bulletin . 2007, Vol. ... Copyright (C) Chemistry Dept., Moscow State University, 2002 . ... Copyright (C) Chemisty Department of Moscow State University . ... Web-design: Copyright (C) MIG and VVM . ...