Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Marieta Balcan"'
Autor:
Dan F. Anghel, Elena Livia Vasilescu, Gabriela Stîngă, Marieta Balcan, Ioana Catalina Vacaresteanu, Ludmila Aricov, Adriana Băran
Publikováno v:
Environmental Engineering and Management Journal. 17:1941-1947
Environmental decontamination requires strategies for removing organic contaminants from the ecosystem. Polycyclic aromatic hydrocarbons (PAHs) with toxic and carcinogenic properties are potentially hazardous pollutants. One suitable method for PAHs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecd8fd24b81190a97841040cfc9e7609
https://doi.org/10.30638/eemj.2018.193
https://doi.org/10.30638/eemj.2018.193
Autor:
Dan Eduard Mihaiescu, Anca Ruxandra Leonties, Alina Iovescu, Adriana Băran, Monica Elisabeta Maxim, Dan F. Anghel, Marieta Balcan, Gabriela Stîngă
Publikováno v:
Journal of Molecular Liquids. 214:283-292
The water–oil interface of AOT/water/isooctane reverse micelles, with different hydration degrees (w0), is investigated by nonradiative energy transfer (NRET) between naphthalene (Np) probe and pyrene grafted poly(acrylic acid) (PAA150-Py32). The p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::160d1c751e44bf2159556ccce9143b97
https://doi.org/10.1016/j.molliq.2015.12.066
https://doi.org/10.1016/j.molliq.2015.12.066
Autor:
Marieta Balcan, Ioana-Cătălina Văcăreşteanu, Ludmila Aricov, Florentina-Cristina Mihăilescu, Elena-Livia Vasilescu, Dan F. Anghel
Publikováno v:
Fuel. 117:251-258
The study presents results on alternative fuel microemulsions prepared with diesel and diesel–colza oil mixtures. The surfactants employed were Brij 30 and AOT and the cosurfactant was i -butanol. The water solubilization in oil/water/surfactant–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cad70961b29039fba849b8660ed1e269
https://doi.org/10.1016/j.fuel.2013.09.083
https://doi.org/10.1016/j.fuel.2013.09.083
Autor:
Dan F. Anghel, Marieta Balcan
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 221:1-8
The reversed-phase liquid chromatography (RPLC) was used to investigate the thermodynamic properties of homogeneous ethoxylated nonylphenols (NPE 7–15 ) and their retention mechanism from methanol–water eluents. The enthalpies (ΔH°) and entropi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30d82cce53244737a2f9aac994bd2f7a
https://doi.org/10.1016/s0927-7757(03)00107-9
https://doi.org/10.1016/s0927-7757(03)00107-9
Publikováno v:
Colloid and Polymer Science. 281:143-149
The phase behavior of systems consisting of water/n-hexane/polyethoxylated nonionic surfactants with a normal distribution of ethylene oxide (EO) chain length has been investigated. The surfactants used were octylphenol ethoxylated with eight EO unit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb613652cf0eb463c2eae701ee922fd6
https://doi.org/10.1007/s00396-002-0755-3
https://doi.org/10.1007/s00396-002-0755-3
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 204:141-151
An approach to evaluate the thermodynamic properties of ethoxylated nonionic surfactants by using the reversed-phase high-performance liquid chromatography (RP-HPLC) is described. The enthalpies (Δ H °) and entropies (Δ S °) of transfer from the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::280c71c13bcb9b9404f6a64fe33eecb9
https://doi.org/10.1016/s0927-7757(02)00007-9
https://doi.org/10.1016/s0927-7757(02)00007-9
Publikováno v:
Analytical Letters. 30:883-893
The retention time of α-(1,1,3,3-tetramethylbutyl)phenyl ethylene oxide oligomer surfactants was determined on a porous graphitized carbon column (PGC) in eluents containing acetonitrile, methanol, ethanol, 2-propanol, tetrahydrofuran, dioxane and 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84567e7286f5d1f02b65afa13857148e
https://doi.org/10.1080/00032719708006431
https://doi.org/10.1080/00032719708006431
Publikováno v:
Journal of Chromatography A. 668:375-383
Ethoxylated non-ionic surfactants derived from octyl- and nonylphenols were analyzed by normal-phase HPLC. A silica column (Si-100, 5 μm) with gradient elution and UV detection at 280 nm were used for oligomer determination. Baseline separation of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9c3d2b91dbd664891582a09434c77e9
https://doi.org/10.1016/0021-9673(94)80129-0
https://doi.org/10.1016/0021-9673(94)80129-0
Publikováno v:
Angewandte Makromolekulare Chemie. 188:1-10
Vinylacetate (VAc) was polymerized with ammonium persulfate in microemulsions prepared from VAc, sodium dodecyl sulfate, n-propanol and water. The polymerization rates were smaller than those in emulsion. The reaction orders versus the initiator and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43d25c948241a2ca13ff30543aa23697
https://doi.org/10.1002/apmc.1991.051880101
https://doi.org/10.1002/apmc.1991.051880101
Publikováno v:
Angewandte Makromolekulare Chemie. 175:1-11
The rate of polymerization of vinyl acetate in microemulsions containing n-propanol and ethoxylated nonylphenol with 30 moles of ethylene oxide (NP30) depends on the initial composition of the reaction mixture. The reaction is of first order with res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24d5a02086bb26dffea34ab9dd29eb67
https://doi.org/10.1002/apmc.1990.051750101
https://doi.org/10.1002/apmc.1990.051750101