Novel polymer-based anion-exchangers with covalently-bonded functional layers of quaternized polyethyleneimine for ion chromatography.
Sign Up to like & getrecommendations! Published in 2017 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2017.01.062
Abstract: For the first time novel pellicular anion-exchangers with functional layers of quaternized branched polyethyleneimine (PEI) covalently bonded to the surface of aminated poly(styrene-divinylbenzene) (PS-DVB) with 1,4-butanediol diglycidyl ether (1,4-BDDGE) as a linker are obtained and… read more here.
Keywords: anion; functional layers; exchangers covalently; layers quaternized ... See more keywords
Investigations on the selectivity of grafted high performance anion exchangers and the underlying graft mechanism.
Sign Up to like & getrecommendations! Published in 2018 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2017.11.030
Abstract: Macroporous, monodisperse PS/DVB particles with diameters of 4.0-4.6 μm were functionalized via free radical graft polymerization to create high performance anion exchangers. Varying the amount of monomer from 0 to 10 mmol per 2.0 g PS/DVB allows a control… read more here.
Keywords: mechanism; capacity; performance anion; selectivity ... See more keywords
Effect of the kind of cupric compound deposit on thermal decomposition of anion exchangers
Sign Up to like & getrecommendations! Published in 2020 at "Thermochimica Acta"
DOI: 10.1016/j.tca.2020.178812
Abstract: Abstract The effect of the inorganic deposit on the thermal decomposition of hybrid ion exchangers (HIXs) has not been comprehensively studied before. Therefore, as part of this research anion exchangers containing cupric compound in their… read more here.
Keywords: anion; deposit thermal; thermal decomposition; anion exchangers ... See more keywords
Converting Mn/Al layered double hydroxide anion exchangers into cation exchangers by topotactic reactions using alkali metal sulfate solutions.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc03491a
Abstract: Layered double hydroxides (LDHs), traditional anion exchangers, can be converted into cation exchangers by topotactic reactions using aqueous solutions of alkali metal sulfates. LDHs with the composition [Mn2Al(OH)6](An-)1/n·yH2O (An- = Cl- or NO3-, CO32-) were… read more here.
Keywords: anion; layered double; exchangers topotactic; topotactic reactions ... See more keywords
Study of Sorption Properties for Lead(II) Ions Exhibited by Anion Exchangers Synthesized on the Basis of Aromatic Hydrocarbons, Epichlorohydrin, and Polyethyleneimine
Sign Up to like & getrecommendations! Published in 2018 at "Russian Journal of Applied Chemistry"
DOI: 10.1134/s1070427218090094
Abstract: Aromatic hydrocarbons, epichlorohydrin, and polyethyleneimine were used to synthesize polyfunctional anion exchangers. IR spectroscopy and elemental analysis were used to examine their composition and structure. The method of classical polarography was employed to examine the… read more here.
Keywords: epichlorohydrin polyethyleneimine; lead ions; aromatic hydrocarbons; anion exchangers ... See more keywords
Weakly Hydrated Anion Exchangers Doped with Cu2O and Cu0 Particles—Thermogravimetric Studies
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14040925
Abstract: Hybrid ion exchangers (HIXs) containing fine Cu2O and Cu0 particles were subjected to thermal analysis in order to determine their hygroscopic water content (with regard to their anomalously low porosity) and to determine the effect… read more here.
Keywords: cu2o; copper; cu2o cu0; cu0 particles ... See more keywords