Previous article . Next article . ... Formation of Decreasing pH Gradient within Cation-Exchange Carboxylic Columns . Abstract The possibility of decreasing pH gradient formation by chromatofocusing technique within columns, packed with carboxylic cation-exchangers, was demonstrated. ... Moscow University Chemistry Bulletin . 2002, Vol. ... 3, P. 180 . Copyright (C) Chemistry Dept., Moscow State University, 2002 . ... Copyright (C) Chemisty Department of Moscow State University . ...