Results 1 to 10 of about 5,183 (121)

Contribution to the termodynamics of 1-(2-thiazolylazo)-2-naphthol in the water-nitrobenzene extraction system [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
General relations among thermodynamic parameters characterizing chemical equilibria including species Н2А+, HA, H+ and A- in both phases of a two-phase water-nitrobenzene extraction system have been derived. From the extraction measurements, the
Makrlik Emanuel, Vaňura Petr
doaj   +3 more sources

Solvent extraction of Ca2+, Ba2+, Cu2+, Zn2+, Cd2+, Pb2+, UO22+, Mn2+, Co2+ and Ni2+ into nitrobenzene using strontium dicarbollylcobaltate and tetra-tert-butyl p-tert-butylcalix[4]arene tetraacetate [PDF]

open access: yesJournal of the Serbian Chemical Society, 2008
The exchange extraction constants corresponding to the general equilibrium M2+(aq) + SrL2+(nb) ← →ML2+(nb) + Sr2+(aq) occurring in the two- -phase water-nitrobenzene system (M2+ = Ca2+, Ba2+, Cu2+, Zn2+, Cd2+, Pb2+, UO22+ , Mn2+, Co2+ or Ni2+; L = tetra ...
Makrlík E.   +3 more
doaj   +3 more sources

Extraction of calcium from water into nitrobenzene using strontium dicarbollylcobaltate in the presence of 18-crown-6 [PDF]

open access: yesJournal of the Serbian Chemical Society, 2000
From extraction experiments and g-activity measurements, the extraction constant corresponding to the equilibrium Ca2+(aq) + SrL2+(nb) « CaL2+(nb) + Sr2+(aq) taking place in the two-phase water-nitrobenzene system (L = 18-crown-6, aq = aqueous phase, nb =
EMANUEL MAKRLIK   +2 more
doaj   +2 more sources

Stability of the barium–benzo-15-crown-5 complex in nitrobenzene saturated with water [PDF]

open access: yesJournal of the Serbian Chemical Society, 2006
From extraction experiments and g-activity measurements, the exchange extraction constant corresponding to the equilibrium Ba2+(aq) + SrL22+(nb) D BaL22+(nb) + Sr2+(aq) occurring in the two-phase water–nitrobenzene system (L =benzo-15-crown-5; aq ...
E. MAKRLÍK, P. VAŃURA
doaj   +3 more sources

Distribution of micro-amounts of europium in the two-phase water-HCl-nitrobenzene-N,N'-dimethyl-N,N'-diphenyl-2,6-dipicolinamide-hydrogen dicarbollylcobaltate extraction system [PDF]

open access: yesJournal of the Serbian Chemical Society, 2009
Extraction of micro-amounts of europium by a nitrobenzene solution of hydrogen dicarbollylcobaltate (H+B-) in the presence of N,N'-dimethyl- -N,N'-diphenyl-2,6-dipicolinamide (MePhDPA, L) was investigated.
Makrlík Emanuel   +4 more
doaj   +3 more sources

Calcium ionophore I as very effective extraction agent for trivalent europium and americium [PDF]

open access: yesJournal of the Serbian Chemical Society, 2019
The solvent extraction of microamounts of Eu3+ and Am3+ from water into nitrobenzene by means of a mixture of hydrogen dicarbollylcobaltate (H+B-) and calcium ionophore I (marked as the ligand L) was investigated. The equilibrium data have been explained
Makrlík Emanuel, Vaňura Petr
doaj   +1 more source

Solvent extraction of trivalent europium and americium into nitrobenzene by using hydrogen dicarbollylcobaltate and tetraisopropyl[oxybis(2,1-ethanediyliminocarbonyl)]-bisphosphoramidate [PDF]

open access: yesJournal of the Serbian Chemical Society, 2018
Solvent extraction of micro-amounts of Eu3+ and Am3+ from water into nitrobenzene by means of a mixture of hydrogen dicarbollylcobaltate (H+B-) and tetraisopropyl[oxybis(2,1-ethanediyliminocarbonyl)]-bisphosphoramidate (L) was studied.
Makrlík Emanuel   +3 more
doaj   +1 more source

Self-Propelled Motion of an Oil Droplet Containing a Phospholipid and its Stability in Collectivity

open access: yesFrontiers in Physics, 2022
Collective cell migration (CCM) is a universal process that is responsible for various biological phenomena in living organisms. Therefore, unraveling the mechanism of CCM is critical for understanding the principles underlying such processes and for ...
Masaki Itatani, Hideki Nabika
doaj   +1 more source

TiO2 nanotube electrode for organic degradation coupled with flow-electrode capacitive deionization for brackish water desalination

open access: yesnpj Clean Water, 2022
A photoelectrochemical (PEC) oxidation and flow-electrode capacitive deionization (FCDI) dual system was explored for the effective treatment of brackish water.
Jihun Lim   +4 more
doaj   +1 more source

Efficient flat membrane based liquid phase microextraction of cathinones from environmental water and biological samples

open access: yesTalanta Open, 2023
Cathinone drugs are one kind of new psychoactive substances, which are widely acknowledged to be harmful. Thus, rapid and efficient extraction of cathinone drugs from biological materials is of great importance in the field of forensic medicine and ...
Changbao Hong   +3 more
doaj   +1 more source

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