The reactions of acetone with tellurium tetrachloride have been studied with the aid of proton, carbon-13, and tellurium-125

The reactions of 13

No abstract

SynopsisPermeation properties of 02, N,, and C02 were investigated by using copolymer membranes having the pyridine-lanthanide complexes group. The membranes of poly (4-vinylpyridine-co-nbutylmethacrylate) and its complexes with lanthanide were prepared. Complexation with lanthanide can be used to tailoring selectivity of C 0 2 / 0 2 . The C 0 2 permeability for pure copolymer is larger than O2 permeability, but CO, permeability is smaller than O2 permeability for lanthanide-polymer, which is opposite to most polymers. The upstream pressure dependence of gases in lanthanidepolymer varies with temperature. A tentative explanation is given for the results according to the free volume model.

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