1. Mihaela Ciopec, Adina Negrea, Lavinia Lupa, Corneliu Mircea Davidescu, Petru Negrea, Studies regarding As(V) adsorption from underground watere by Fe-XAD8-DEHPA impregnated resin. Equilibrium sorption and fixed-bed column tests, Molecules, 2014, 19, p. 16082-16101, ISSN: 1420-3049, doi: 10.3390/m0lecules 191016082 , FI=2.095


2. Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Petru Negrea, Silica impregnated with cyphos IL-101 for Cs+ adsorption, Environmental Engineering & Management Journal, 2014, 13(8), p. 2005-2013, ISSN: 1582-9596, FI=1.258
3. Adriana Popa, Mihaela Ciopec, Adina Negrea, Lavinia Lupa, Petru Negrea, Corneliu Mircea Davidescu, Gheorghe Ilia, Narcis Duteanu, Use of styrene-divinylbenzene grafted with aminoethylaminomehtyl groups and various ion liquids in the removal process of thalium and strontium, Pure and Applied Chemistry, 2014, 86(11), p. 1741-1753, ISSN: 0033-4545 şi1365-3075, DOI 10.1515/pac-2014-0702, FI=3.112
4. Adina Negrea, Adriana Popa, Mihaela Ciopec, Lavinia Lupa, Petru Negrea, Corneliu Mircea Davidescu, Marilena Motoc, Vasile Mînzatu, Phosphonium grafted styrene-divinylbenzene resins impregnated with iron(III) and crown ethers for arsenic removal, Pure and Applied Chemistry, 86(11), 1729-1740, 2014, ISSN: 0033-4545 şi 1365-3075, DOI 10.1515/pac-2014-0806, FI=3.112
5. Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Ioneta Dragomir, Petru Negrea, Use of zinc ash as secondary source of zinc for zinc oxide obtaining, Environmental Engineering & Management Journal, 2014, ISSN: 1582-9596 (acceptat) , FI=1.258
6. Lavinia Lupa, Adina Negrea, Mihaela Ciopec, Petru Negrea, Cs+ removal from aqueous solutions through adsorption onto florisil impregnated with trihexyl (tetradecyl) phosphonium chloride, Molecules, 2013, 18, p. 12845-12856, 2013, ISSN:1420-3049, doi:10.3390/molecules181012845, FI=2.095
7. Corneliu Mircea Davidescu, Mihaela Ciopec, Adina Negrea, Adriana Popa, Lavinia Lupa, Ecaterina-Stela Drǎgan, Radu Ardelean, Gheorghe Ilia, Synthesis, characterization and Ni(II) Ion separation proprerties of poly(styrene-co-divinylbenzene)-supported aminophosphonic acids,  Polymer Bulletin, ISSN: 0272-8397,  2013, 70, p. 277-291, DOI 10.1007/s00289-012-0801-3 , FI=1.491
8. Mihaela Ciopec, Corneliu Mircea Davidescu, Adina Negrea, Lavinia Lupa, Adriana Popa, Cornelia Muntean, Radu Ardelean, Gheorghe Ilia, Synthesis, characterization and adsorption behavior of aminophosphonic grafted on poly(styrene-co-divinylbenzene) for  divalent metal ions in aqueous solutions, Polymer Engineering and Science, 2013, 53(5), 2013, p1118-1124, Print ISSN: 0032-3888, Online ISSN: 1548-2634, DOI 10.1002/pen.23365 , FI=1.441
9. Adina Negrea, Lavinia Lupa, Radu Lazau, Mihaela Ciopec, Oana Pop, Marinela Motoc, Adsorption properties of Fe2O3 and Fe2O3:SiO2 mixtures in the removal process of As(III) from underground waters, Revista de Chimie, 2013, 64(5), p. 487-494, ISSN: 0034-7752 ,  FI=0.677
10. Adina Negrea,  Mihaela Ciopec, Corneliu Mircea Davidescu, Cornelia Muntean, Petru Negrea, Lavinia Lupa, Kinetic, equilibrium and thermodynamic studies of cesium removal from aqueous solution using Amberjet UP1400 and Amberlite IR 120 resins, Environmental Engineering & Management Journal, 2013, 12(5), p. 991-998, ISSN:  1582-9596, FI=1.258
11. Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Petru Negrea, Raluca Voda, Catalin Ianasi, Study of different impregnated mehtods of inorganic supports with ionic liquid, Journal of Environmental Protection and Ecology, 2013,14(4), p. 1785-1793, ISSN: 1311-5065, FI=0.338
12. Mihaela Ciopec, Lavinia Lupa, Adina Negrea, Corneliu Mircea Davidescu, Adriana Popa, Petru Negrea, Marilena Motoc, Dana David, Dana Kaycsa, Kinetic and thermodynamic studies regarding Cu(II) ions removal from aqueous solution by Poly(Styrene-Divinylbenzene)-Supported Aminophosphonic Acids, Revista de Chimie, 2012,  63(1), p. 49-53, ISSN: 0034-7752, FI=0.538
13. Mihaela Ciopec, Corneliu Mircea Davidescu, Adina Negrea, Ion Grozav, Lavinia Lupa, Cornelia Muntean, Petru Negrea, Adriana Popa,  Statistical optimization of chromium ions adsorption on DEHPA-impregnated Amberlite XAD7, Environmental Engineering & Management Journal, 2012, 11(3), p. 525-531, ISSN: 1582-9596, FI=1.117
14. Mihaela Ciopec, Corneliu Mircea Davidescu, Adina Negrea, Ion Grozav, Lavinia Lupa, Petru Negrea, Adriana Popa, Adsorption Studies of Cr(III) ions from aqueous solution by DEHPA impregnated onto Amberlite XAD-7 Factorial design analysis, Chemical Engineering Research and Design, 2012, 90(10), p. 1660-1670, ISSN: 0263-8762, doi:10.1016/j.cherd.2012.01.016, FI=1.927
15.  Mihaela Ciopec, Corneliu Mircea Davidescu, Adina Negrea, Cornelia Muntean, Adriana Popa, Petru Negrea, Lavinia Lupa, Equilibrium and Kinetic Studies of the Adsorption of Cr(III) ions onto Amberlite XAD8 impregnated with Di (2-ethylhexyl) phosphoric acid (DEHPA), Absorption Science and Technology, 2011, 29(10), p. 989-1005, ISSN: 0263-6174 , FI=0.606
16. Adina Negrea, Mihaela Ciopec, Lavinia Lupa, Corneliu Mircea Davidescu, Adriana Popa, Gheorghe Ilia, Petru Negrea, Removal of As(V) by Fe(III) loaded XAD7 impregnated resin containing di(2-ethylhexyl) phosphoric acid DEHPA): Equilibrium, Kinetic, and Thermodinamic modeling studies, Journal of Chemical and Engineering Data,  2011, 565, p. 3830-3838, ISSN: 0021-9568, dx.doi.org/10.1021/je200476u, FI=1.693
17. Adina Negrea, Mihaela Ciopec, Lavinia Lupa, Corneliu Mircea Davidescu, Adriana Popa, Petru Negrea, Marinela Motoc, Adsorption of arsenate anions from aqueous medium by using Fe(III) loaded XAD7-DEHPA impregnated resin, Revista de Chimie, 2011, 62(10), p. 1008-1011, ISSN:0034-7752, FI=0.599
18. Mihaela Ciopec, Corneliu Mircea Davidescu, Adina Negrea, Lavinia Lupa, Petru Negrea, Adriana Popa, Cornelia Muntean, Use of D2EHPA-impregnated XAD7 resin for the removal of  Cd(II) and Zn(II) from aqueous solution, Environmental Engineering and Managemnent Journal, 2011,  10(10), p. 1597-1608, ISSN: 1582-9596, FI=1.004
19. Corneliu Mircea Davidescu, Mihaela Ciopec, Adina Negrea, Adriana Popa, Lavinia Lupa, Petru Negrea, Cornelia Muntean, Marinela Motoc, Use of di-(2-ethylhexyl)phosphoric acid (DEHPA) impregnated XAD7 copolymer resin for the removal of chromium (III) from water, Revista de Chimie, 2011, 62(7), p. 712-717, ISSN:0034-7752, FI=0.599
 20. Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Radu Lazǎu, Cornelia Muntean, Petru Negrea, Adsorption of As(III) ions onto iron-containing waste sludge, Adsorption Science & Technology, 2010, 28(6), p. 467-480, ISSN: 0263-6174, FI=0.559
21. Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Cornelia Muntean, Radu Lazǎu, Marinela Motoc, Arsenic removal from aqueous solutions using a binary mixed oxide, Revista de Chimie, 2010, 61(7),  p. 691-695, ISSN: 0034-7752, FI=0,693
22. Radu Lazau, Lavinia Lupa, Ioan Lazau, Petru Negrea, Cornelia Pacurariu, Synthesis and characterization of some ferruginous powders designed for the depollution of waters with arsenic content, Revista Romana de Materiale, 2010, 40(1), p. 71-79, ISSN 1583-3186, FI=0.4
23. Adriana Popa, Cornelia Pacurariu, Elena Alina Taculescu, Lavinia Lupa, Sol-gel synthesized sorbents for Cu2+ and Cd2+ separation from solutions, Optoelectronics and Advanced Materials - Rapid Communications, 2010, 4(3), p. 340-344, ISSN 1454 - 4164 , FI=0.477
 24. Mihaela Ciopec, Cornelia Muntean, Adina Negrea, Lavinia Lupa, Petru Negrea, Paul Barvinschi, Synthesis and thermal behavior of double copper and potassium pyrophosphate, Termochimica Acta, 2009, 488, p. 10-16, ISSN 0040-6031, doi:10.1016/j.tca.2009.01.011, FI=1.742
25. Ramona Ghiga, Aurel Iovi,  Petru Negrea, Lavinia Lupa, Adina Negrea, Marilena Motoc, Mihaela Ciopec, Mariana Anghel, Emilian Popovici, Studies regarding the recovery possibilities of heavy metals from waste catalysts resulted from CO conversion, Revista de Chimie, 2009, 59(1), p. 68-71, ISSN 0034-7752, FI=0.552
26. Mihaela Andoni, Anca Dragomirescu, Aurel Iovi, Ioan Ursoiu, Adina Negrea, Lavinia Lupa, Petru Negrea, Mihaela Ciopec, Use of Ion Exchance Resin to Remove the Mercury from Contaminated Waters, Revista de Chimie, 2009, 60(4), p. 424-426, ISSN 0034-7752 , FI=0.552
27. Mihaela Ciopec, Cornelia Muntean, Adina Negrea, Lavinia Lupa, Petru Negrea, Marinela Motoc, Corina Samuila, Synthesis and Characterization of a PK Fertilizer containiong Zinc as Micronutrient, Revista de Chimie, 2009, 60(7) p. 678-682, ISSN 0034-7752 , FI=0.552
28. Angela Magda, Cornelia Muntean, Aurel Iovi, Marius Jurca, Lavinia Lupa, Monika Simon, Vasile Pode, Studies about ammonium phosphates fertilizers with boron added as boric acid, Revista de Chimie, 2009, 60(3) p. 226 - 330, ISSN 0034-7752 , FI=0.552
29. Lavinia Lupa, Petru Negrea, Adina Negrea, Aurel Iovi, Laura Cocheci, Giannin Mosoarca,  Modelling and automation of the phosphate ions removal process from waste waters, Brazilian Journal of Chemical Engineering, 2008, 25(1), p.1-9, ISSN 0104-6632 , FI=0.475
30. Mihaela  Andoni, Aurel  Iovi, Petru Negrea, Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Studies regarding the removing of mercury from soil using Na-EDTA, Na2S2O3 and KI solutions, Revista de Chimie, 2008, 59(6) p. 653-655, ISSN 0034-7752, FI=0.389
31. Mihaela  Andoni, Aurel Iovi, Petru Negrea, Lavinia Lupa, Adina Negrea, Mihaela Ciopec, Mercury removing from the contamined soil using KI solution. The pH influence, Revista de Chimie, 2008, 59(7), p. 779-781, ISSN 0034-7752 , FI=0.389
32. Petru Negrea, Marinela Motoc, Adina Negrea, Lavinia Lupa, Mihaela Ciopec, Quantitative analysis of trace metals accumulation in teeth through atomic absorption spectrometry, European Cells and Materials, 2008, 16(5),  p. 33 , FI= 4.289
33. Elena Cical, Gabriela Oprea, Cristina Mihali, Laura Ardelean, Georgeta Burtica, Lavinia Lupa, Systematic studies regarding the introduction of a new product in the flow of drinking water of an atypical surface source, Revista de Chimie, 2008, 59(9), p. 1030 - 1035,  ISSN 0034-7752 , FI=0.389
34.Mihaela Ciopec, Aurel Iovi, Cornelia Muntean, Adina Negrea, Lavinia Lupa, Marilena Motoc, Studii privind procesul de obtinere a ingrasamintelor de tip PK cu microelementul cobalt, Revista de Chimie, 2007,  58(8), p. 725-728, ISSN 0034-7752, F=0.291
35. Lavinia Lupa, Petru Negrea, Aurel Iovi, Mihaela Ciopec, Marinela Motoc, Obţinerea oxidului de zinc din cenuşa de zinc, Revista de Chimie, 2007, 58(11), p. 1075-1079,  ISSN 0034-7752, FI=0.291
36. Adina Negrea, Vasile Pode,  Petru Negrea, Aurel Iovi, Lavinia Lupa,  Mihaela Ciopec, Giannin Moşoarcă,  Studii asupra procesului de eliminare prin precipitare-coagulare a ionului fosfat, Revista de Chimie,  2007, 58(10), p. 999-1003, ISSN 0034-7752 , FI=0.291

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