Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Lidija B. Pfendt"'
Autor:
ANA TOPALOVIC, LIDIJA B. PFENDT, NATALIJA PEROVIC, DRAGANA DJORDJEVIC, SNEZANA TRIFUNOVIC, PETAR A. PFENDT
Publikováno v:
Journal of the Serbian Chemical Society, Vol 71, Iss 11, Pp 1219-1236 (2006)
Phosphorus fractions from three highly calcareous soils (average, 24.9 ± 4.8 %CO32-) from sampling sites with aMediterranean climate were isolated by sequential extraction. In order to provide a more reliable basis for the definition of the obtained
Externí odkaz:
https://doaj.org/article/beb6911d24bc484e8750ead8b7035068
Publikováno v:
Journal of the Serbian Chemical Society, Vol 70, Iss 1, Pp 67-78 (2005)
The acid-base equilibria of a diprotic, slightly hydrosoluble base ketoconazole were studied in homogeneous and heterogeneous water systems. The determinations were performed at 25 ºC at a constant ionic strength of 0.1M(NaCl). The acidity constant
Externí odkaz:
https://doaj.org/article/797bcffb4b264a72aa9e10afdfc2d4c1
Publikováno v:
Journal of the Serbian Chemical Society, Vol 67, Iss 3, Pp 187-195 (2002)
The protolytic equilibria of bromazepam, an ampholyte sparingly soluble in water, in homogeneous and heterogeneous systems were studied in the pH range 014 at 25 ?C and at ionic strength of 0.1 mol/dm3 (NaCl). On the basis of 13C-NMR spectra, the pro
Externí odkaz:
https://doaj.org/article/9d39626063084b2e86e625e09ac11cd6
Publikováno v:
Journal of the Serbian Chemical Society, Vol 65, Iss 7, Pp 457-472 (2000)
1. Introduction 2. Basic characteristics of derivative spectrophotometry 2.1. Increase of spectra resolution 2.2. Elimination of the influence of baseline shift and matrix interferences 2.3. Enhancement of the detectability of minor spectral features
Externí odkaz:
https://doaj.org/article/4b83aa5244964285a220a69b73c656ff
Publikováno v:
Canadian Journal of Chemistry
Quantitative study of an acid hydrolysis of bromazepam, which in acidic solution simultaneously undergoes reversible 4,5-azomethine bond cleavage and protolytic reactions, was performed (t = 25 °C). When an equilibrium is established, four species a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3386cfa66c5333e0dbb569988c4db8d
https://doi.org/10.1139/v04-091
https://doi.org/10.1139/v04-091
Publikováno v:
European Food Research and Technology. 217:269-272
A second-order derivative UV spectrophotometric method for determination of vitamin C [ascorbic acid (AA)] content in a variety of natural samples is described. The method is based on the measurement of a peak–baseline amplitude in the second deriv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c93424b31b8b7a45d289c0b7697255f
https://doi.org/10.1007/s00217-003-0746-8
https://doi.org/10.1007/s00217-003-0746-8
Autor:
Lj. Stevovic, Ivan O. Juranić, M. Kostic, Gordana Popović, Branko J. Drakulić, Lidija B. Pfendt
Publikováno v:
Journal of the Serbian Chemical Society
Scopus-Elsevier
Journal of the Serbian Chemical Society, Vol 65, Iss 11, Pp 781-788 (2000)
Scopus-Elsevier
Journal of the Serbian Chemical Society, Vol 65, Iss 11, Pp 781-788 (2000)
The pKa values for a series of eight p-substituted trans-2,3-epoxy-4-phenyl butanoic acids (p-substituted trans-β-aroylepoxyacrylic acids) have been determined potentiometrically in aqueous media at 25 °C at an ionic strength of 0.1 mol/dm3 (NaCl).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3885407380dfcac1abdcb581a2067bab
https://doi.org/10.2298/jsc0011781p
https://doi.org/10.2298/jsc0011781p
Autor:
Lidija B. Pfendt
Publikováno v:
The Analyst. 120:2129-2144
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9830498b72a179c02a6151b64bdd8a63
https://doi.org/10.1039/an9952002129
https://doi.org/10.1039/an9952002129
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis
Protolytic equilibria in homogeneous and heterogeneous systems of lorazepam and oxazepam, which are sparingly soluble ampholytes from the class of 1,4-benzodiazepines, were studied at 25 degreesC and ionic strength of 0.1 M. Acidity constants and equ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3308f215d0dc9d99985c668f5ac97b7c
https://cherry.chem.bg.ac.rs/handle/123456789/549
https://cherry.chem.bg.ac.rs/handle/123456789/549
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis
ResearchF und of the R. Serbia( Yugoslavia)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::079110f3045fbe3ab4c0105e74461f05
https://pubmed.ncbi.nlm.nih.gov/8788142
https://pubmed.ncbi.nlm.nih.gov/8788142