Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Viktor Stefov"'
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 43, Iss 1 (2024)
Multivariate analysis models were developed to evaluate the results obtained from a compatibility study designed for ibuprofen with a large group of different types of excipients, as a possible approach for rapid screening of the incompatibility betw
Externí odkaz:
https://doaj.org/article/6199578b36eb4ba091ac70420bc83af5
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 39, Iss 2, Pp 239-249 (2020)
Polycrystalline samples of struvite-type MgRbAsO4·6H2O and MgTlAsO4·6H2O in both protiated and deuterated forms have been prepared for the first time by a precipitation method. Detailed analysis of their infrared (IR) and Raman (R) spectra recorded
Externí odkaz:
https://doaj.org/article/281981fcf2e8458fab6941403a46385d
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 40, Iss 2 (2021)
The objective of this investigation was to determine the efficiency of carbonaceous material, consisting of MWCNTs and amorphous carbon obtained by waste polyethylene pyrolysis, as an adsorbent for reactive textile dyes. In this work, the preliminary
Externí odkaz:
https://doaj.org/article/d0d797146be04df7ae95cd737d71ff40
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 37, Iss 2, Pp 193-201 (2018)
Fourier transform infrared (FT-IR) spectra recorded at room temperature (RT) and at the boiling temperature of liquid nitrogen (LNT), as well as Raman spectra recorded at room temperature for the cubic polymorph of magnesium cesium arsenate hexahydra
Externí odkaz:
https://doaj.org/article/cc6f12e3d9114732af067e71f6c82ef4
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 34, Iss 2, Pp 373-379 (2015)
Abstract Chemical recycling of nonbiodegradable postconsumer polymers represents a promising route for conversion of waste plastics into feedstock for fuel, chemicals and materials production. Recently, waste plastics have been used as low cost feeds
Externí odkaz:
https://doaj.org/article/5398a8e879b440d7a321d5af30c4a3bd
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 34, Iss 1, Pp 189-199 (2015)
The pimelates of the earth-alkaline elements and pimelic acid have been synthesized and studied. All prepared pimelates are crystallohydrates and Ba and Sr pimelates are isotypic. The obtained compounds have been characterized using infrared spectros
Externí odkaz:
https://doaj.org/article/c9a16e3312d34bbc86611f2e6cfe0530
Publikováno v:
Macedonian Journal of Chemistry and Chemical Engineering, Vol 29, Iss 2, Pp 149-155 (2010)
The influence of ultrasonic treatment, applied during the impregnation of carbon fiber bundle by resin system, on interface sensitive properties of carbon fiber/epoxy resin composites has been analyzed. The formation of the network has been followed
Externí odkaz:
https://doaj.org/article/0319c44d79bf4d2bb49f2b53fad249db
Autor:
Slavko Mentus, Violeta Koleva, Gjorgji Petruševski, M. Pecovska-Gjorgjevich, M. Najdoski, Viktor Stefov
Publikováno v:
Journal of Alloys and Compounds. 746:699-709
The electrical properties of little known compounds of the type Mg2KH(XO4)2·15H2O (X = P, As), their dc and ac conductivity and complex impedances are studied for the first time by Electrochemical Impedance Spectroscopy in narrow temperature interva
Publikováno v:
Journal of Molecular Structure. 1146:744-749
In the present contribution special attention is paid to the spectroscopic and thermal characterization of MgI 2 ·8H 2 O which is the stable hydrated form at room temperature. The infrared spectra of MgI 2 ·8H 2 O and its deuterated analogues recor
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 183:387-394
Infrared and Raman spectra of Mg2KH(PO4)2·15H2O and Mg2KH(AsO4)2·15H2O and a series of their partially deuterated analogues were recorded and analyzed. Compounds of the type Mg2KH(XO4)2·15H2O (X = P, As) are little-known and a rare case of phospha