... TXRF determination of cobalt and mercury in water with preconcentration on polyurethane foam sorbent . Abstract Technique of X-ray fluorescence determination of cobalt and mercury in water with static and dynamic preconcentration in the form of thiocyanate and iodide complexes on polyurethane foam sorbents on the basis of ethers was proposed. ... Moscow University Chemistry Bulletin . 2014, Vol. ... 4, P. 203 . Copyright (C) Chemistry Dept., Moscow State University, 2002 . ...