Search results for "extraction equilibrium"

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Studies of polyamines transport through liquid membranes with D2EHPA as a carrier.

2008

The transport of polyamines through the liquid membranes with di‐2‐ethylhexyl phosphoric acid (D2EHPA) was investigated. The study was performed in three main steps: liquid–liquid extraction (LLE), bulk liquid membrane (BLM) extraction, and supported liquid membrane (SLM) extraction. Equilibrium distribution experiments allowed determining the extraction constants and stoichiometric coefficients for each polyamine. It turned out that one amino group binds two molecules of carrier (one D2EHPA dimer) and the extractability of polyamine rises with the increase in number of function groups in the molecule. The BLM and SLM experiments showed that despite considerable differences in distribution …

Extraction (chemistry)Analytical chemistryFiltration and SeparationDi-(2-ethylhexyl)phosphoric acidMembranes ArtificialAcceptorHigh-performance liquid chromatographyextraction equilibriumAnalytical ChemistryChemical kineticschemistry.chemical_compoundKineticsliquid membranesMembranechemistryLiquid–liquid extractiondi-2-ethylhexyl phosphoric acidtransport mechanismPolyaminesPhosphoric acidChromatography High Pressure LiquidJournal of separation science

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