Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Barbara Wionczyk"'
Antifungal Activity of Finished Chromium Tanned Leather Containing Thyme and Tea Tree Essential Oils
Publikováno v:
Fibres & Textiles in Eastern Europe. 30:41-45
Leather products provide an ideal environment for microbial growth. In order to prevent the appearance and spread of various types of microorganisms, it is treated with selected biocides and even essential oils. The aim of this paper was to investiga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::316dc682f95c153e7f63aaf6c2bae840
https://doi.org/10.2478/ftee-2022-0021
https://doi.org/10.2478/ftee-2022-0021
Publikováno v:
Journal of Hazardous Materials. 198:257-268
The kinetics and equilibrium of Cr(III) extraction with Aliquat 336 from the alkaline aqueous solutions containing anions of various complexing abilities and solvating properties, as: nitrates, or perchlorates, or sulphates, were studied and interpre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8f2f9f9faa5c67c9903caa8cbefa339
https://doi.org/10.1016/j.jhazmat.2011.10.038
https://doi.org/10.1016/j.jhazmat.2011.10.038
Publikováno v:
Separation and Purification Technology. 81:237-242
Experimental studies were made on the solvent extraction of chromium(III) with Aliquat 336 from the protein hydrolyzate obtained by the alkaline hydrolysis of wastes of uncolored chromium-tanned leathers. The effects of NaOH concentration in the prot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e46f2c2de629204c22c347bd2aa767f
https://doi.org/10.1016/j.seppur.2011.07.024
https://doi.org/10.1016/j.seppur.2011.07.024
Autor:
Barbara Wionczyk
Publikováno v:
Solvent Extraction and Ion Exchange. 27:423-446
The effect of temperature was examined on the equilibrium of extraction of chromium(III) from the alkaline aqueous solutions with Aliquat 336. The stoichiometry of chromium(III) complexes in the organic phase and their conditional extraction constant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a0bcfc79653c235d1a84789697126fa
https://doi.org/10.1080/07366290902821271
https://doi.org/10.1080/07366290902821271
Publikováno v:
Hydrometallurgy. 82:83-92
Studies are reported on the recovery of chromium(III) from industrial spent tanning liquors by liquid–liquid extraction with trioctyl methylammonium chloride (Aliquat 336), sulphate, and hydroxide. The optimal conditions of extraction of chromium(I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d0dd2f2a7ef3307b10e710d4c54176e
https://doi.org/10.1016/j.hydromet.2006.03.055
https://doi.org/10.1016/j.hydromet.2006.03.055
Autor:
Barbara Wionczyk, Wiesƚaw Apostoluk
Publikováno v:
Hydrometallurgy. 78:116-128
Experimental investigation was performed on analysis of phenomena and equilibria of liquid–liquid extraction of chromium(III) from alkaline media with trioctylmethylammonium chloride (TOMA-Cl). The effect of the presence of selected electrolytes in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55cac9602310121e5c66930542da1a67
https://doi.org/10.1016/j.hydromet.2005.03.007
https://doi.org/10.1016/j.hydromet.2005.03.007
Autor:
Barbara Wionczyk, Wiesław Apostoluk
Publikováno v:
Hydrometallurgy. 72:185-193
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42a6be5adf03feff89ae1b3a6c082d79
https://doi.org/10.1016/s0304-386x(03)00140-3
https://doi.org/10.1016/s0304-386x(03)00140-3
Autor:
Barbara Wionczyk, Wiesław Apostoluk
Publikováno v:
Hydrometallurgy. 72:195-203
For the first time, it has been experimentally demonstrated that hydrophobic quaternary ammonium compounds dissolved in hydrocarbons are able to effectively extract chromium(III) from alkaline aqueous solutions. Experimental investigation has been pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ea1867be14742cc30c14038f8d39dce
https://doi.org/10.1016/s0304-386x(03)00139-7
https://doi.org/10.1016/s0304-386x(03)00139-7
Publikováno v:
Analytica Chimica Acta. 428:89-101
The N -oxide of 4-(1′- n -tridecyl)pyridine (TDPNO) is a novel agent which could be used for the separation of Cr(VI) from aqueous solutions of sulphuric acid. The distribution constants ( K D ) of TDPNO in the systems: toluene/0.5 M (Na, H) 2 SO 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5a41b8e4cf014b69e616c4d5f89acbd
https://doi.org/10.1016/s0003-2670(00)01178-8
https://doi.org/10.1016/s0003-2670(00)01178-8
Autor:
Wiesław Apostoluk, Barbara Wionczyk
Publikováno v:
Hydrometallurgy. 45:73-81
The effect of diluents upon distribution constants of 8-hydroxyquinoline and its 2- and 4-methyl derivatives in two-phase liquid systems has been analyzed using the Kamlet and Taft model. These constants for 5-methyl-8-hydroxyquinoline and 7-(4',5',7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10e4b32e14f6694395a8422eba74cf65
https://doi.org/10.1016/s0304-386x(96)00082-5
https://doi.org/10.1016/s0304-386x(96)00082-5