Category Archives: Year 2016 Issue 9

Oxidation of alkyltrimethylammonium salts with herbicidal anion

Monika STASIEWICZ*, Anna TURGUŁA – Institute of Chemical Technology and Engineering, Poznan University of Technology, Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 564–569 One of the main problems of the agriculture is the presence of unwanted plants in the crops, which reduces harvest yield. The weeds compete with crops for light, water and mineral salts, thus increasing the costs of agricultural production, while decreasing the harvest. In order to maximize the production capacity per unit...
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Synthesis and properties of 1-alkyl-4-(dimethylamino) pyridinium bis(trifluomethylsulfonyl)imides

Monika Stasiewicz *, Katarzyna Materna – Institute of Chemical Technology and Engineering, Poznan University of Technology, Poznań, Poland; Małgorzata Graś , Grzegorz Lota – Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 533–540 4-Dimethylaminopyridine (DMAP) is a pyridine derivative used in the chemical synthesis as a nucleophilic catalyst for various reactions such as esterification [1], acylation [2], β-lactam synthesis [3] and many others. As it is...
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Application of quaternary phosphonium salts as extractants of ru(iii ) and rh(iii ) from model aqueous solutions

Martyna RZELEWSKA*, Małgorzata JANISZEWSKA, Magdalena REGEL-ROSOCKA – Institute of Chemical Technology and Engineering, Poznan University of Technology, Poznan, Poland Please cite as: CHEMIK 2016, 70, 9, 515–520 In the recent years there is a growing interest in the reactive extraction of PGM (Platinum Group Metal) ions and noble metals from secondary sources (e.g. spent catalysts catalysts) from aqueous chloride solutions using organic phases containing various extractants [1, 2]. PGM prices at the global market remain high, due...
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Application potential of herbicidal ionic liquids

Tadeusz PRACZYK* – Institute of Plant Protection – National Research Institute, Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 485–490 In the modern farming, the main method of crop protection against weed infestation is the use of chemical products. The 1940s discovery of the herbicidal action of (4-chloro-2-methylphenoxy) acetic acid (MCPA) and (2,4-dichlorophenoxy)acetic acid (2,4-D) was the beginning of a selective weed control. These products are very effective against many species of dicityledonous weeds without a...
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Ionic liquids „in a nutshell” (history, properties and development)

Juliusz PERNAK*, Tomasz RZEMIENIECKI, Katarzyna MATERNA – Institute of Technology and Chemical Engineering, Poznan University of Technology, Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 471–480 One of the main directions of the global research is the search for new chemical compounds with special properties. Ionic liquids are such compounds. Their application brings new possibilities for modern chemical technology. The ionic liquids fit well in the assumptions of green chemistry [1]. In contrast to the previous...
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Studies on thermal stability of amino acid ionic liquids

Paula OSSOWICZ*, Ewa Janus – Institute of Organic Chemical Technology, West Pomeranian University of Technology, Szczecin, Poland Please cite as: CHEMIK 2016, 70, 9, 481–484 Introduction The search for a biorenewable and non-toxic ionic liquid has led to the creation of a new group of ionic liquids of natural origin, namely amino acid ionic liquids (AAILs) [1]. Due to the presence of minimum two functional groups, i.e. amino and carboxylic groups, amino acids may serve both as...
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Production of 2-phenylethanol (PEA) by yeast with ionic liquids in situ extraction

Patrycja OKUNIEWSKA*, Urszula DOMAŃSKA-ŻELAZNA, Aneta POBUDKOWSKA – Department of Physical Chemistry, Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland; Jolanta MIERZEJEWSKA – Department of Drug Technology and Biotechnology, Institute of Biotechnology, Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland Please cite as: CHEMIK 2016, 70, 9, 491–496 PEA is a valuable aroma of a subtle rose scent used in food, perfume and household chemicals, as well as a preservative (in medicines) and a disinfectant (e.g....
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Herbicidal ionic liquids with 2-(2,4-dichlorophenoxy)propionate anion

Michał NIEMCZAK*, Ilona KĘDZIA, Zuzanna BARTOSZEWSKA – Department of Chemical Technology, Poznan University of Technology, Poznań, Poland; Katarzyna MARCINKOWSKA – Institute of Plant Protection – National Research Institute, Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 555–563 In the last two decades the interest in this fascinating group of compounds that are ionic liquids has been growing continuously [1]. One of the most important properties of ionic liquids is their inflammability and non-volatility, for which they...
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The influence of construction of ionic liquid precursors containing bisulfate or sulfate anion on the rate of reaction creating electroactive paste used in lead acid battery

Grzegorz LOTA*, Marek BARANIAK, Kacper KOPCZYŃSKI – Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Poznan, Poland; Juliusz PERNAK – Institute of Chemical Technology and Engineering, Poznan University of Technology, Poznan, Poland; Henryk PRZYBYŁO – PPUH Autopart Jacek Bąk sp. z o.o., Mielec, Poland; Włodzimierz MAJCHRZYCKI – Institute of Non-Ferrous Metals Division in Poznan, Poland, Central Laboratory of Batteries and Cells Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 549–554 Although lead-acid battery was...
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Influence of addition of ionic liquids precursors with bisulphate and sulphate anions on hydrogen and oxygen evolution potential

Kacper KOPCZYŃSKI, Marek BARANIAK – Institute of Chemistry and Technical Electrochemistry, Poznań University of Technology, Poznań, Poland; Juliusz PERNAK, Rafał GISZTER, Marta FRYDER – Institute of Chemical Technology and Engineering, Poznań University of Technology, Poznań, Poland; Grzegorz LOTA* – Institute of Chemistry and Technical Electrochemistry, Poznań University of Technology, Poznań, Poland Please cite as: CHEMIK 2016, 70, 9, 509–514 Ionic liquids are often mentioned as chemical compounds fulfilling the principles of green chemistry. An indisputable advantage of...
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