Category Archives: Uncategorized

Synthesis of derivatives of hydroxy-2H-1-benzopyran-2one using microwave-assisted and conventional heating methods

Synthesis of derivatives of hydroxy-2H-1-benzopyran-2one using microwave-assisted and conventional heating methods CZARNA M., ORTYL J.

Please cite as: CHEMIK 2015, 69, 5, 297–306 As a result of the conducted experiments under microwave radiation and under conditions of conventional heating, a number of high-purity derivatives of hydroxy-2H-1-benzopyran-2-one were obtained. The conducted spectroscopic measurements and compound analysis showed that the majority of obtained products exhibit interesting spectroscopic properties, which allows their use as a molecular fluorescence probes. Keywords: hydroxycoumarin derivatives, coumarin,...
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Application of organic ionic liquids in polar [2+4] cycloaddition reactions

Application of organic ionic liquids in polar [2+4] cycloaddition reactions DRESLER E., JASIŃSKA E., ŁAPCZUK-KRYGIER A., NOWAKOWSKA-BOGDAN E., JASIŃSKI R.

Please cite as: CHEMIK 2015, 69, 5, 288–296 The paper presents the possibility of using organic ionic liquids as reaction media for polar [2+4] cycloaddition. Keywords: cycloaddition reaction [2+4], ionic liquids Read more in pdf pdf-icon...
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The photostability of poly (lactic acid) / polyacrylates composites as new materials for the packaging industry

The photostability of poly (lactic acid) / polyacrylates composites as new materials for the packaging industry VUKOVIĆ-KWIATKOWSKA I., KACZMAREK H.

Please cite as: CHEMIK 2015, 69, 5, 281–287 Composite films of poly (lactic acid) (PLA) with polyacrylates of varying composition and proportions of the components were obtained by photochemical reaction. The aim of the study was to investigate composites photostability in laboratory conditions using Suntest apparatus, equipped with Xenon lamp simulating sunlight. Increase of photostability composites containing cross-linked...
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Biocatalitic Transformation of epoxy- and vinylphosphonates

Biocatalitic Transformation of epoxy- and vinylphosphonates GÓRAK M., SERAFIN M., KLIMEK-OCHAB M., ŻYMAŃCZYK-DUDA E.

Please cite as: CHEMIK 2015, 69, 5, 273–280 The subject of research was the selective transformation of the two groups of organophosphorus compounds, epoxy- and vinylphosphonates, to the corresponding derivatives, using whole cells of bacteria or fungi. Hydrolytic activity towards model epoxphosphonate was observed only in the case of Aspergillus niger, whereas Cladosporium herbarum and Fusarium oxysporum were able to degrade stable C-P bond...
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Study of concentration of lactic acid obtained in the process of lactic fermentation of lactose contained in the spent whey using Lactobacillus

Study of concentration of lactic acid obtained in the process of lactic fermentation of lactose contained in the spent whey using Lactobacillus MAŚLANKA S., KOS A., BAŃCZYK M., CZOPEK I., ADAM Ł., DORSZEWSKA J., STARCZEWSKA K.

Please cite as: CHEMIK 2015, 69, 4, 241–251 Acid whey is an environmentally hazardous waste which is a by-product produced in the dairy industry. Due to the high lactose content, the waste can be used as a raw material for lactic fermentation...
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Antistatic protective garments – requirements and test methods

Antistatic protective garments – requirements and test methods WRÓBLEWSKA M., MAZIK A.

Please cite as: CHEMIK 2015, 69, 4, 237–240 This paper presents requirements of antistatic protective garments and gives the current criteria of protection against static electricity for: clothes, gloves and shoes used in explosive atmospheres and in the electronics industry. Test methods of finished products and materials used for antistatic protective garments, in accordance with the normative documents has been listed in this paper. Keywords: protective garments,...
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Standard explosion risk assessment in food-processing branch

Standard explosion risk assessment in food-processing branch PIOTROWSKI T.

Please cite as: CHEMIK 2015, 69, 4, 225–236 Hazard identification and explosion risk level assessment results have been presented for food-processing technology. The assessment has been done at one of domestic chocolate products factories as an example. For this purpose the assessment methods and a standard specification have been used. Both of them elaborated in the frames of research-development project No. VI.B.12 entitled “Elaboration of standardized explosion protection documents...
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Research works of the Institute of Industrial Organic Chemistry in the area of chemical safety in industry and in dangerous goods transportation

Research works of the Institute of Industrial Organic Chemistry in the area of chemical safety in industry and in dangerous goods transportation PIOTROWSKI T., DROŻDŻEWSKA K.

Please cite as: CHEMIK 2015, 69, 4, 217–224 In this paper we presented the most important activities in the Department of Chemical Safety and Static Electricity of the Institute of Organic Chemical Industry in Warsaw, regarding chemical safety for domestic chemical industry and chemical transport safety. The collaboration with industry and the...
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On-site Fire Brigade in Grupa Azoty SA

On-site Fire Brigade in Grupa Azoty SA ZAPART J.

Please cite as: CHEMIK 2015, 69, 4, 213–216 Only few fire protection units in Poland are so closely related to Polish chemistry as the On-site Fire Brigade in Grupa Azoty SA Its existence as a part of structure of the State Nitrogen Compounds Factory in Tarnów dates back to 1929. In the recent years, the ZSP has retrofittedwith the chemical rescue equipment. The unit closely cooperates with theNational Fire...
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Safety – where there is no place for competitiveness

Safety – where there is no place for competitiveness ZAWADZKI P.

Please cite as: CHEMIK 2015, 69, 209–212 The current analyses conducted by the Polish Chamber of Chemical Industry that there is drop in number of accidents in processing industry year-to-year. The “Safe Chemistry” Programme led by the Polish Chamber of Chemical Industry (PCCI) as well as actions taken by the Commission for Occupational Health and Safety and Process Safety help to maintain and strengthen this positive tendency. Keywords:...
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