Brønsted base

(redirected from Bronsted base)
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Brønsted base

[′brən·steth ‚bās]
(chemistry)
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Two sorts of hydrogen groups exist: OH with bridging oxygen atoms which acts as Lewis acid or base, and OH that works as a Bronsted base [10].
Analysis of the obtained data on the distribution of the adsorption centers on the surface of saponite indicates the predominance of Bronsted base sites (pK = 7.6, pK = 12.8) and Lewis base sites (pK = -0.29), as well as a small number of Bronsted acid sites (pK = 2.1, pK = 5.25).
Therefore, protic ionic liquids (PIL) with comparatively cheap and easy stoichiometric combination of a Bronsted acid with a Bronsted base have gained much attention [7].
Protic ionic liquids (PILs) comprise a subset of the ionic liquids formed by the stoichiometric (equimolar) combination of a Bronsted acid with a Bronsted base and are characterized by their great ability to form H-bond and consequently show a strong interaction with polar solvents (ANOUTI et al., 2010).
Proton transfer from a Bronsted acid to a Bronsted base can also form ILs (Yoshizawa et al.