No 12 / 2021
1. Maya GEORGIEVA, Emilio MATEEV, Diana TZANKOVA and Alexander ZLATKOV
Microwave-assisted synthetic approaches to biologically active N-based five-membered heterocycles as response to green chemistry
DOI: 10.33224/rrch.2021.66.12.01
Rev. Roum. Chim., 2021, 66(12), 873-894
Key words: microwave-assisted synthesis, green synthesis, nitrogen-based heterocycles.
2. Rosa KALANTARI, Ali MOGHIMI and Fariborz AZIZINEZHAD
A rapid and sensitive method for separation/preconcentration and determination of Cu2+ from aqueous solution using modified magnetic graphene oxide nanocomposites
DOI: 10.33224/rrch.2021.66.12.02
Rev. Roum. Chim., 2021, 66(12), 895-906
Key words: magnetic nanocomposite, graphene oxide, Cu2+, preconcentration.
3. Vitaliy CHORNOUS, Yuliana LUKAN, Alina GROZAV, Olesia PEREPELYTSIA, Mykola TURASH and Ivan BURDENIUK
Synthesis and antimicrobial efficiency of some new types of the quaternary ammonium compounds
DOI: 10.33224/rrch.2021.66.12.03
Rev. Roum. Chim., 2021, 66(12), 907-911
Key words: organic synthesis, quaternary ammonium salts, bactericide effect.
4. Tian-shan WANG and Yan-yan NIU
Diagnostic product ions and fragmentation patterns for the cyclomyrsinane-type diterpenoids by higher-energy collisional dissociation mass spectrometry
DOI: 10.33224/rrch.2021.66.12.04
Rev. Roum. Chim., 2021, 66(12), 913-920
Key words: cyclomyrsinane-type diterpenoids, euphorbia species, diagnostic product ions, mass spectrometry.
5. Meryem ACILA, Hakim BENSABRA and Adel SAOUDI
Performance of ethanolic extract propolis as a safe inhibitor for AA7075 alloy corrosion in neutral chloride medium
DOI: 10.33224/rrch.2021.66.12.05
Rev. Roum. Chim., 2021, 66(12), 921-930
Key words: aluminum, corrosion, inhibitors, propolis, ethanolic extract.
6. Munzer NADDAF, Ali ALZIER and Hussam ALLAHAM
Surface tension and hydroperoxide content of vegetable oils: effect of repeated deep frying
DOI: 10.33224/rrch.2021.66.12.06
Rev. Roum. Chim., 2021, 66(12), 931-939
Key words: vegetable oils, frying, surface tension, FTIR, oil absorption.
7. Carmen-Irena MITAN, Emerich BARTHA, Petru FILIP, Constantin DRAGHICI, Miron T. Caproiu and Robert Michael MORIARTY
Dihedral angles calculated with 3-sphere approach as integer in conformational analysis on D-, L- ribitol series
DOI: 10.33224/rrch.2021.66.12.07
Rev. Roum. Chim., 2021, 65(12), 941-948
Key words: conformation, Altona’s model, 3-sphere, alpha-D, beta-L-ribitol.
8. Index of authors
Rev. Roum. Chim., 2021, 66(12), 949-958
9. Index of subjects
Rev. Roum. Chim., 2021, 66(12), 959-962
