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Investigation of the Cation Complexation by Macrocyclic Ethers using 13C NMR Spin--Lattice Dipolar Relaxation Time Measurements
Investigation the Cation Complexation Macrocyclic Ethers using 13C NMR Spin--Lattice Dipolar Relaxation
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2010/4/19
The binding constants (Ka) of [18]crown-6 ether with Na+ , K+, and Ba2+ thiocyanates were determined by 13C{1H} NMR spin--lattice dipolar relaxation time measurements. The observed relaxation times (T...
Solvent Extraction of Fe3+ Cation by Diazo-Coupling Calix[4]arenes
Solvent Extraction Fe3+ Cation Diazo-Coupling Calix[4]arenes
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2010/6/28
The solvent extraction of Fe3+ cations from the aqueous to the organic (chloroform) phase was carried out using p-tert-butyl calix[4]arene(\underline{1}), calix[4]arene(\underline{2}), diazo-coupling ...
Synthesis of the New Cation Exchange Resins Having Poly (Styrene-Caprolactone) Units
Synthesis of the New Cation Exchange Styrene-Caprolactone Units
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2010/8/15
The crosslinked polystyrene-polycaprolactone , PS-PCL-, block copolymers were prepared by the copolymerization of styrene and poly(caprolacton dimethylmethacrylate) (PCL-DM). The molecular weights of ...