author:"SOARE, Andreia-Cristina" | Pollux - Fachinformationsdienst Politikwissenschaft

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Article(electronic)#12020

Thermodynamic study of the retention of aromatic hydrocarbons on phenylsilicagel based stationary phase under reversed-phase liquid chromatographic mechanism

In: Revue roumaine de chimie: Romanian journal of chemistry, Volume 64, Issue 12, p. 1083-1089

University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, 050663, Bucharest, Roumania; SOARE, Andreia-Cristina; MELTZER, Viorica; CHEREGI, Mihaela; DAVID, Victor; University of Bucharest, Faculty of Chemistry, Department of Physical Chemistry, Bd. Regina Elisabeta 4-12, Bucharest, 030018, Bucharest, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, 050663, Bucharest, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, 050663, Bucharest, Roumania

University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, 050663, Bucharest, Roumania; SOARE, Andreia-Cristina; MELTZER, Viorica; CHEREGI, Mihaela; DAVID, Victor; University of Bucharest, Faculty of Chemistry, Department of Physical Chemistry, Bd. Regina Elisabeta 4-12, Bucharest, 030018, Bucharest, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, 050663, Bucharest, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, 050663, Bucharest, Roumania

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Article(electronic)#22019

THE INFLUENCE OF COLUMN TEMPERATURE ON THE EXTRAPOLATED VALUES OF THE RETENTION FACTOR IN REVERSED-PHASE LIQUID CHROMATOGRAPHY FOR WATER AS MOBILE PHASE

In: Revue roumaine de chimie: Romanian journal of chemistry, Volume 64, Issue 8, p. 727-731

University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no 90, Bucharest 050663, Roumania; SOARE, Andreia-Cristina; GALAON, Toma; MOLDOVEANU, Serban C.; DAVID, Victor; National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podul Dambovitei Street, 71-73, Sector 6, Bucharest, Roumania; J. Reynolds Tobacco Co., 950 Reynolds Blvd. Winston-Salem, NC 27105, USA; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no 90, Bucharest 050663, Roumania

University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no 90, Bucharest 050663, Roumania; SOARE, Andreia-Cristina; GALAON, Toma; MOLDOVEANU, Serban C.; DAVID, Victor; National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podul Dambovitei Street, 71-73, Sector 6, Bucharest, Roumania; J. Reynolds Tobacco Co., 950 Reynolds Blvd. Winston-Salem, NC 27105, USA; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no 90, Bucharest 050663, Roumania

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Article(electronic)#3May 12, 2023

Comparative study for the retention of some benzodiazepines in reversed-phase liquid chromatography using C8, C18, C6H5 and CN stationary phases

In: Revue roumaine de chimie: Romanian journal of chemistry, Volume 68, Issue 5-6, p. 277-283

University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania; BACALUM, Elena; GALAON, Toma; SOARE, Andreia-Cristina; DAVID, Victor; MOLDOVEANU, Serban C.; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania

University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania; BACALUM, Elena; GALAON, Toma; SOARE, Andreia-Cristina; DAVID, Victor; MOLDOVEANU, Serban C.; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania; University of Bucharest, Faculty of Chemistry, Department of Analytical Chemistry, Sos. Panduri, no. 90, sect 5, Bucharest, 050663, Roumania

The retention behavior of six benzodiazepines (alprazolam, bromazepam, diazepam, flunitrazepam, medazepam, and nitrazepam) was studied using four different stationary phases, under reversed-phase mechanism in high-performance liquid chromatography. Four stationary phases were used for evaluating the retention of these compounds at fixed temperature. Functional dependences of the retention factor on the content of the organic modifier (methanol, or acetonitrile) in the composition of mobile phase were calculated. The extrapolated values of the retention factor for zero content of the organic modifier in mobile phase were higher for acetonitrile than for methanol for all studied compounds and for the four types of stationary phases.

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