El razonamiento causal secuencial en los equilibrios ácido-base múltiples : propuestas didácticas en el ámbito universitario [PDF]
, 2003 La principal dificultad que encuentran los estudiantes al acercarse a los equilibrios ácido-base múltiples es que precisan controlar varios equilibrios de forma simultánea.
Jiménez Liso, María Rut +2 more
core +2 more sources
Studies on the acid-base properties of the ZnBr2NaBr molten salt system [PDF]
, 1993 The acid-base properties of the ZnBr2-NaBr melts at 623 K were investigated on the basis of the electromotive force measurements of a zinc-zinc concentration cell.
Hayashi, Hidetaka +3 more
core +1 more source
Molecules, 1997 The ultraviolet spectra of heterocyclic N-oxides of pyridine N-oxide series and the conjugated cationic acids (simple cations of protonated N-oxides) in acetonitrile as the representative of polar aprotic solvents, were determined.
Lech Chmurzynski
doaj +1 more source
The Antioxidant Capability of Higenamine: Insights from Theory
Antioxidants, 2020 Density functional theory was employed to highlight the antioxidant working mechanism of higenamine in aqueous and lipid-like environments. Different reaction mechanisms were considered for the reaction of higenamine with the •OOH radical.
Isabella Romeo +5 more
doaj +1 more source
Production of n-propyl acetate by reactive distillation : experimental and theoretical study [PDF]
, 2007 First steps of the development of a catalytic reactive distillation process for the production of n-propyl acetate based on experiments and simulations are proposed.
Bart +22 more
core +2 more sources
A comparative study of the electrochemical properties of vitamin B-6 related compounds at physiological pH [PDF]
, 2011 A comparative study of vitamin B6 group and related compounds in buffered solutions using electrochemical techniques has been performed at neutral pH.
A. Pocker +38 more
core +1 more source
The Molecule of the Week: A Didactic Tool for Teaching General Chemistry
CHIMIA, 2020 The molecule of the week is regularly used by the author in his first-semester course General Chemistry I (Inorganic Chemistry) to illustrate, exemplify, and deepen fundamental aspects and concepts treated in the course.
Antonio Togni
doaj +1 more source
Chemical modeling for pH prediction of acidified musts with gypsum and tartaric acid in warm regions [PDF]
, 2015 Winemaking of musts acidified with up to 3 g/L of gypsum (CaSO4 2H2O) and tartaric acid, both individually and in combination, as well as a chemical modeling have been carried out to study the behaviour of these compounds as acidifiers.
Boulton +16 more
core +2 more sources
Acid-Base Chemistry of White Wine: Analytical Characterisation and Chemical Modelling
The Scientific World Journal, 2012 A chemical model of the acid-base properties is optimized for each white wine under study, together with the calculation of their ionic strength, taking into account the contributions of all significant ionic species (strong electrolytes and weak one ...
Enrico Prenesti +3 more
doaj +1 more source
Membranes, 2019 We synthesized anion exchange polymers by a reaction of chloromethylated poly(2,6-dimethyl-1,4-phenylene)oxide (PPO) with strongly basic 1,5,7-triazabicyclo[4.4.0]dec-5-ene (TBD). TBD contains secondary and tertiary amine groups in the guanidine portion.
Riccardo Narducci +5 more
doaj +1 more source