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1
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Polish Journal of Chemistry
EN This work presents the results of oxygen solubility in ionic liquids based on 1-alkyl-3-methylimidazolium cations. Solubility measurements have been carried out in gasometric apparatus at 22, 50 and 90graduate C under atmospheric pressure. We report the Henry's constants. In general the occurrence o[...]
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Polish Journal of Chemistry
2004 Vol. 78 / nr 9 1371-1378
EN A series of polymer electrolytes, based on ionic liquid (EMIm)3PO4, and the polymers PAN, PVdF, PVdF-HFP, PVA and PEO were prepared as thin-foils, using the casting technique. The composite electrolytes showed conductivity at a level of ca. 10 mS/cm, apart from the system PEO-(EMIm)3PO4. The electro[...]
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Journal of Ecological Engineering
2018 Vol. 19, nr 4 111--122
EN The paper presents the results of research on the preparation and use of cellulose granules as carriers of nutrients in the cultivation of plants. The granules were prepared from a cellulose solution in 1-ethyl-3-methylimidazole acetate followed by coagulation in water and primary alcohols: methanol[...]
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Polish Journal of Chemical Technology
2016 Vol. 18, nr 2 122--125
EN In this research work, thermal decomposition and kinetic analysis of pure and contaminated imidazolium based ionic liquid (IL) has been investigated. As thermal decomposition and kinetics evaluation plays a pivotal role in effective process design. Therefore, thermal stability of pure 1-butyl-2,3-di[...]
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Polish Journal of Chemical Technology
EN Catalytic systems composed of metal chloride (InCl3, ScCl3, YCl3, YbCl3, LaCl3, BiCl3, ZnCl3 and CuCl3) and 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)-imide, [C1C4Pyrr][NTf2] as ionic liquid were prepared. Catalytic activity of all the systems were compared in acetalization reaction [...]
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Central European Journal of Energetic Materials
EN The direct nitrolysis of DPT to synthesize HMX with ionic liquids (ILs) as catalysts was investigated. The results showed that [Et3NH] HSO4 was the best catalyst among 18 ILs used and the yield of HMX was up to 61% against 45% without IL. The ILs could be effciently recovered by simple distil[...]
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Acta Chromatographica
2019 Vol. 31, no. 4 255--261
EN In reversed-phase liquid chromatography, in case of the absence of additives, cationic basic compounds give rise to asymmetrical and broad peaks as a result of interactions of analyte cations with residual free silanols on silica-based stationary phases. Ionic liquids, added to the mobile phase, hav[...]
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Physicochemical Problems of Mineral Processing
EN The paper focuses on assessing wettability of surfaces modified with ionic liquid solutions. Dialkylimidazolium chlorides have been selected as the test group, because of their immediate availabil-ity and limited previous research. Contact angle of selected ionic liquid solutions have been measured [...]
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Metrology and Measurement Systems
EN The paper presents the results of investigation on a prototype sensor for measurement of benzaldehyde in air. Sensitivity and limit of quantification of the sensor were determined for different internal electrolytes using square wave voltammetry (SWV) as the detection technique. The working and coun[...]
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Chemia Analityczna
PL Przebadano woltamperometrycznie tynidazol z użyciem elektrody z węgla szklistego zmodyfikowanej warstwą kompozytową składającą się z wielościennych nanorurek węglowych, tetrafluoroboranu l-bulylo-3-metyloimidazolu i chitozanu. Wyraźny pik redukcji pojawił się przy -0,688 V. Porównując ten pik do pik[...]
EN A multi-walled carbon nanotube/l-butyl-3-methylimidazolium tetrafluoroborate/chitosan (MWCNT/IL/CS) composite film - modified glassy carbon electrode (OCR) was fabricated by spin coating. Electrochemical behavior of tinidazole at the composite film electrode was investigated applying voltammetry. A [...]
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Physicochemical Problems of Mineral Processing
EN Ionic liquids are widely used in supported ionic liquid membranes technology, especially in gas separation and purification processes. This work characterizes the ability of ionic liquids to wet commercially available porous supports used for such purposes. Characterization of supports and membrane [...]
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Acta Chromatographica
2017 Vol. 29, no. 4 493--496
EN An ionic liquid-based cloud-point extraction (IL-CPE) method was developed for the extraction of quercetin in juice samples before its determination by high-performance liquid chromatography (HPLC). 1-Butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF6]) was used as the ionic liquid. The cloud[...]
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Polish Journal of Chemical Technology
EN The paper presents results of research on the preparation of cellulose membranes with graphite oxide addition (GO/CEL). Initially, a cellulose (CEL) solution in 1-ethyl-3-methylimidazole acetate (EMIMAc) was obtained, to which graphene oxide (GO) dispersed in N,N-dimethylformamide (DMF) was added. F[...]
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Inżynieria i Aparatura Chemiczna
2013 Nr 4 304--305
PL Przedstawiono wyniki badań wymiany ciepła podczas odparowania roztworów woda-ciecz jonowa OMIM[Cl] w wyparce cienkowarstewkowej z mechanicznie rozcieranym filmem cieczy. Określono zależności współczynnika wnikania ciepła od: intensywności zraszania powierzchni grzejnej wyparki, obciążenia cieplnego,[...]
EN Results dealing with evaporation of water - OMIM[Cl] ionic liquid solutions carried out in a wiped film evaporator are presented in the paper. The dependencies between the individual heat transfer coefficient and liquid flow rate, heat load and mixing arm rotational frequency were elaborated. So far[...]
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Inżynieria Rolnicza
2010 R. 14, nr 1 139-144
PL W pracy badano przydatność wybranych cieczy jonowych do konserwacji strzyków. Użyto pięć wybranych cieczy jonowych i dla porównania wodny roztwór formaliny (5%). Po 5. i 10. dobach konserwacji przeprowadzano pomiary elastyczności i twardości próbek. Wyniki są niejednoznaczne. Należy kontynuować bada[...]
EN The work involved examination of selected ionic liquids for maintenance of teats. The researchers used five selected ionic liquids, and for comparison - purposes - water solution of formalin (5%). The elasticity and hardness of samples was measured after 5 and 10 days of maintenance. The results are[...]
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Elektronika : konstrukcje, technologie, zastosowania
PL W pracy przedstawiono prototypowy, laboratoryjny, elektrochemiczny czujnik do oznaczania par benzaldehydu w argonie. Cieczą jonową testowaną jako elektrolit i środowisko reakcji redox była: bis(trifluorometylosulfonylo) i midek 1-butylo, 3-metyloimidazolinowy ([BMIM][Tf₂N]). W pomiarach użyto komerc[...]
EN The paper presents a laboratory prototype of an electrochemical sensor for measurements of benzaldehyde vapor in argon. The following ionic liquid was tested as the electrolyte and redox reaction environment: 1-butyl 3-methylimidazolium bis (trifluoromethanesulfonyl)imide ([BMIM][Tf₂N]). The measure[...]
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Inżynieria i Aparatura Chemiczna
2012 Nr 5 268-270
PL Przebadano powłoki z wodorozcieńczalnych kompozycji akrylowych zawierających żywicę akrylową, niejonowy środek powierzchniowo czynny, zagęszczacz poliuretanowy, ciecz jonową. Otrzymane kompozycje powłokowe aplikowano na płytki stalowe i szklane, utwardzano w temperaturze 80°C. Usieciowane powłoki pr[...]
EN Water-thinnable acrylic paints and coatings containing non-ionic surfactant, polyurethane thickening agent and ionic liquid were tested. The obtained coating compositions were applied by brush on steel, glass and were cured at temperature of 80°C. The thickness, relative hardness, scratch resistance[...]
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Polish Journal of Chemistry
2009 Vol. 83, nr 10 1809-1820
EN The interfacial composition, ther mo dy namic prop er ties and struc ture pa ram e ters of the microemulsion systems con tain ing surfactant-like ionic liquid have been investigated with the dilution method of the W/O microemulsions. The interfacial parameters of Xa i , thermodynamic properties K, –[...]
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Przemysł Chemiczny
2015 T. 94, nr 12 2244-2246
PL 1,3-Dipolarne cykloaddycje nitroetenu do (Z)-C-fenylo-N-arylonitronów w chlorku 1-butylo-3-metyloimidazoliowym realizują się w temperaturze pokojowej i prowadzą do mieszanin stereoizomerycznych 3,4-cis i 3,4-trans-2-arylo-3-fenylo-4-nitrotetrahydro-1,2-oksazoli z wydajnościami na poziomie 80–85%. St[...]
EN 1,3-Dipolar cycloaddn. of CH2=CHNO2 to 3-Me, 4-Br, 3-Br and 4-NO2-substituted (Z)-C-phenyl-N-arylnitrones in 1-butyl-3-methylimidazolium chloride at room temperature gave mixts. of 3,4-cis and 3,4-trans-2-aryl-3-phenyl-4-nitrotetrahydro-1,2-oxazoles in yields 80–85%.[...]
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Przemysł Chemiczny
2011 T. 90, nr 12 2202-2206
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