Zobrazeno 1 - 10
of 184
pro vyhledávání: '"спектрофотометрія"'
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 25, Iss 4(76), Pp 45-55 (2020)
Determination of active pharmaceutical ingredients (APIs) in washes from the surface of pharmaceutical equipment is necessary to prevent cross-contamination of the next batch of products. Highly sensitive methods of chromatographic (HPLC), luminescen
Externí odkaz:
https://doaj.org/article/2b33ad83f48f4bd6b9de9b91ec56df1c
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 25, Iss 4(76), Pp 100-105 (2020)
In the current study the solvatochromic properties of such food azo dyes as tartrazine, sunset yellow FCF and carmoisine were described. It was shown that with an increase in the dielectric permittivity of the solvent, a bathochromic shift of the abs
Externí odkaz:
https://doaj.org/article/4a309486fc7a4e5485513891aa60607f
Autor:
D. V. Snigur, A. N. Chebotarev
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 25, Iss 1(73), Pp 87-97 (2020)
The present review is concerned with application possibility of tristimulus colorimetry method and argumentation of theoretical basis, and experimental approach of tristimulus colorimetry functions values use as analytical response in studies of acid
Externí odkaz:
https://doaj.org/article/ce21f227653c41c285b49db8e0a07f68
Autor:
M. Ye. Blazheyevskiy, L. О. Dubenska
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 4(72), Pp 28-44 (2019)
The present article reviews the current state of the UV-spectroscopy method in the pharmaceutical analysis of phenothiazine derivatives. There are three main areas of applied research using UV VIS spectrophotometry in pharmaceutical analysis: quantit
Externí odkaz:
https://doaj.org/article/197c9bbd799e4cf690b453ddfca3169c
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 23, Iss 1(65), Pp 70-82 (2018)
A simple, selective and highly sensitive method is proposed for spectrophotometric determination of ascorbic acid in juices, which have their own intense coloration with the use of a 18-molybdodiphosphate heteropoly complex (18-MPC). If the reaction
Externí odkaz:
https://doaj.org/article/19e6514561d241158b13ba58e429c6d1
Publikováno v:
Current issues in pharmacy and medicine: science and practice; Vol. 16 No. 2 (2023); 135-140
Актуальные вопросы фармацевтической и медицинской науки и практики; Том 16 № 2 (2023); 135-140
Актуальні питання фармацевтичної і медичної науки та практики; Том 16 № 2 (2023); 135-140
Актуальные вопросы фармацевтической и медицинской науки и практики; Том 16 № 2 (2023); 135-140
Актуальні питання фармацевтичної і медичної науки та практики; Том 16 № 2 (2023); 135-140
Aim. To develop and validate a spectrophotometric technique for quantitative determination of glibenclamide in tablets by reaction with 2,3-dichloro-1,4-naphthoquinone. Materials and methods. In the study, the substance glibenclamide of pharmacopoeia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=scientific_p::5f246b32c93e0f1e20c869b11e3a7eff
http://pharmed.zsmu.edu.ua/article/view/274336
http://pharmed.zsmu.edu.ua/article/view/274336
Publikováno v:
ScienceRise: Pharmaceutical Science; No. 3(43) (2023); 50-57
ScienceRise: Pharmaceutical Science; № 3(43) (2023); 50-57
ScienceRise: Pharmaceutical Science; № 3(43) (2023); 50-57
In Ukraine, there are about 100 thousand people with epilepsy. Gabapentin is an effective antiepileptic agent for oral use, presented in capsules of different dosages from different manufacturers. Therefore, the urgent task of pharmaceutical analysis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=scientific_p::0d05ce83905284a90602c3a49e3231e7
https://journals.uran.ua/sr_pharm/article/view/283270
https://journals.uran.ua/sr_pharm/article/view/283270
Publikováno v:
Journal of Organic and Pharmaceutical Chemistry; Vol. 21 No. 2 (2023): Issue in Progress; 15-20
Журнал органической и фармацевтической химии; Том 21 № 2 (2023): Статті в номер додаються; 15-20
Журнал органічної та фармацевтичної хімії; Том 21 № 2 (2023): Статті в номер додаються; 15-20
Журнал органической и фармацевтической химии; Том 21 № 2 (2023): Статті в номер додаються; 15-20
Журнал органічної та фармацевтичної хімії; Том 21 № 2 (2023): Статті в номер додаються; 15-20
The search for new analytical reactions and finding out the optimal conditions for their course, which can be used as the basis for quantitative analytical determinations of penicillins, is a very urgent task.Aim. To develop methods for the quantitat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=scientific_p::959059e4a79e4d02a7ed04ee2ec3b180
https://ophcj.nuph.edu.ua/article/view/273654
https://ophcj.nuph.edu.ua/article/view/273654
Autor:
O. S. Pogrebnyak
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 22, Iss 1(61), Pp 119-128 (2017)
A method for spectrophotometric determination of the total IO3− and IO4—ions was proposed. The method is based on the oxidation of N,N-diethylaniline in an excess of potassium bromide in the presence of sulfuric acid medium and on the measurement
Externí odkaz:
https://doaj.org/article/9d21209793084198bf92c5666ad3ffe0
Publikováno v:
Vìsnik Odesʹkogo Nacìonalʹnogo Unìversitetu: Hìmìâ, Vol 24, Iss 3(71) (2019)
In this paper, the acid-base properties of a number of new 4-hydroxystyryl dyes based on 1-octylpyridinium in solutions have been studied by tristimulus colorimetry and spectrophotometry. The studied dyes are obtained by the interaction of equivalent
Externí odkaz:
https://doaj.org/article/0a0e53c233da4b77bd42f98fe5eb63c9