Zobrazeno 1 - 10
of 23
pro vyhledávání: '"V. V. Khasanov"'
Publikováno v:
Journal of Analytical Chemistry. 75:161-166
A procedure is developed and conditions are optimized for the preparation of natural water samples using liquid‒liquid extraction without the preliminary filtration of acidified water and subsequent derivatization for the determination of trace con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3f74380d88b07d7c54298b746f6f561
https://doi.org/10.1134/s1061934820020082
https://doi.org/10.1134/s1061934820020082
Publikováno v:
Journal of Analytical Chemistry. 73:1248-1252
Using high-performance liquid chromatography in combination with electrospray ionization mass spectrometry [HPLC–MS-ESI(NEG)], quercetin [Q] and luteolin [L] intermediate oxidation products were investigated. It was found that, in aqueous solutions
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f302ef792907e767741dbe4efd586bcf
https://doi.org/10.1134/s1061934818130051
https://doi.org/10.1134/s1061934818130051
Publikováno v:
Polymers, Vol 12, Iss 2395, p 2395 (2020)
Polymers
Volume 12
Issue 10
Polymers
Volume 12
Issue 10
For glycolic acid oligomers (GAO): l-lactic acid oligomers (LAO) mixtures, as an example, it was shown that the nature of the active sites of the catalysts significantly affect the depolymerization process. So, ZnO, which has mainly basic sites, lead
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::535a37df3a5d86f1de5b9e5b73d31c84
https://www.mdpi.com/2073-4360/12/10/2395
https://www.mdpi.com/2073-4360/12/10/2395
Publikováno v:
Russian Metallurgy (Metally). 2018:742-746
The results of high-temperature electrochemical synthesis of holmium–iron triad metal intermetallics in chloride melts are presented. The influence of the current density, the composition of an electrolysis bath, and the synthesis time on the elect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::739f63395070ef7f93404844cd465c9c
https://doi.org/10.1134/s0036029518080116
https://doi.org/10.1134/s0036029518080116
Publikováno v:
Fibre Chemistry. 50:45-48
Composites of polyamide 6 and modified montmorillonite were obtained by mixing the melt in a twin-screw extruder from Jiangsu Xinda Science and Technology. The structure of the resultant composites was studied by x-ray structural analysis and scannin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4133041c927c760ac5c1cc5226f2542
https://doi.org/10.1007/s10692-018-9927-x
https://doi.org/10.1007/s10692-018-9927-x
Publikováno v:
Vestnik Тomskogo gosudarstvennogo universiteta. Khimiya. :55-61
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cc18bd1d2bd2af61ccf92a0e2900966
https://doi.org/10.17223/24135542/7/5
https://doi.org/10.17223/24135542/7/5
Publikováno v:
Polymer Degradation and Stability. 182:109382
This research considers the features of depolymerization of lactic acid oligomers in the presence of oxide catalysts, including the study of their epimerization and the nature of interactions in the synthesis of cyclic diesters. It was shown by the p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9310f9a1b7ace5b55ccb3a17ff0168c5
https://doi.org/10.1016/j.polymdegradstab.2020.109382
https://doi.org/10.1016/j.polymdegradstab.2020.109382
Publikováno v:
Journal of analytical chemistry. 2016. Vol. 71, № 10. P. 1028-1032
A procedure is developed and conditions are optimized for the pretreatment of natural water using distillation with no prefiltration of acidified water in combination with preconcentration by solid-phase extraction (SPE) on a Strata-X polymeric adsor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b8922cca9b852d8cde53e4f8d4437fb
https://doi.org/10.1134/s1061934816100051
https://doi.org/10.1134/s1061934816100051
Autor:
V. V. Khasanov, T. E. Soktoeva, G. L. Ryzhova, S. V. Zhigzhitzhapova, L. D. Radnaeva, K. A. Dychko
Publikováno v:
Russian Journal of Bioorganic Chemistry. 39:761-764
Isolation of artemisinin from Artemisia annua L. and its quantification by the HPLC-MS method are considered. Different extraction methods were used for the isolation of artemisinin: maceration, ultrasonic and subcritical CO2-extraction. The componen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b6c7998560dd17462fdbd812d8a403d
https://doi.org/10.1134/s1068162012070199
https://doi.org/10.1134/s1068162012070199
Publikováno v:
Аналитика и контроль. 17:322-325
Sample preparation and HPLC conditions for the quantitative determination of ascorbic acid in objects with a complex matrix (blood) were studied. Influences of ascorbic acid degradation in the presence of different stabilizers and a sample matrix on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a0f28d6d995696198e0509711fa4374
https://doi.org/10.15826/analitika.2013.17.3.008
https://doi.org/10.15826/analitika.2013.17.3.008