Zobrazeno 1 - 10
of 24
pro vyhledávání: '"M.B. Tennikov"'
Publikováno v:
Journal of Chromatography A. 509:219-226
A gel permeation chromatographic method for the determination of polymer polydispersity without the need for preliminary calibration with standards is proposed. Only the chromatogram of the sample under study is required, so the method is convenient
Publikováno v:
Journal of Chromatography A. 509:233-238
The chromatographic behaviour of oligoesters of phenolphthalein and terephthalic acid in columns packed with a polymeric sorbent based on the macroporous strongly cross-linked copolymer glycidyl methacrylate—ethylene dimethacrylate was studied. The
Publikováno v:
Journal of Chromatography A. 475:187-194
By means of chromatographic methods and mathematical treatment, commercial inorganic and polymeric packings were compared with macroporous glycidyl methacrylate-ethylene dimethacrylate copolymers prepared by the usual polymerization techniques. It wa
Publikováno v:
Polymer Science U.S.S.R.. 20:768-778
Results of “machine experiments” with model lattice chains in slitted pores were compared with those of chromatographic experiments of the adsorption of PS by large pore silica gel. It was found possible to use the Gaussian chain in a slitted por
Publikováno v:
Journal of Chromatography A. 147:99-110
The dependence of changes in the free energy (−ΔF/kT) accompanying the adsorption of polystyrenes on the energy of interaction of a polymer segment with the surface of a porous adsorbent (−e) has been investigated. It is shown that, for macromol
Publikováno v:
Polymer Science U.S.S.R.. 31:1432-1437
A method which uses exclusively the chromatogram of the investigated sample is proposed for the determination of polymer polydispersity by gel permeation chromatography without resort to calibration by standards. A universal dependence between the re
Publikováno v:
Polymer Science U.S.S.R.. 19:764-768
Publikováno v:
Polymer Science U.S.S.R.. 31:1457-1462
The paper describes the experimental checking of a novel method of chromatographic determination of the polydispersity of polymers under GPC conditions. With this new method no prior calibration against standards is required. The method is based sole
Autor:
P.P. Nefyedov, M.B. Tennikov
Publikováno v:
Polymer Science U.S.S.R.. 22:513-524
A description is given of high resolution liquid adsorption chromatography and the application of this method for the separation of styrene oligomers according to molecular weights and for determining thermodynamic parameters of adsorption—differen
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