Formic and acetic acid p<i>K</i><sub>a</sub> values increase under nanoconfinement-Reference-Cited by-同舟云学术

Formic and acetic acid pK_a values increase under nanoconfinement

Published:2023 Issue:33 Volume:13 Page:23147-23157
ISSN:2046-2069
Container-title:RSC Advances
language:en
Short-container-title:RSC Adv.

Author:

Sit Izaac¹,Fashina Bidemi T.²,Baldo Anthony P.²,Leung Kevin²^ORCID,Grassian Vicki H.³^ORCID,Ilgen Anastasia G.²^ORCID

Affiliation:

1. Department of Nanoengineering, University of California San Diego, La Jolla, CA 92093, USA

2. Geochemistry Department, Sandia National Laboratories, Albuquerque, NM, 87123, USA

3. Department of Chemistry & Biochemistry, University of California San Diego, La Jolla, CA 92093, USA

Abstract

The dissociation constants of organic acids decrease (pKa values increase) when they are confined within silica nanopores filled with aqueous solutions. Nanoconfinement stabilizes the protonated species.

Funder

U.S. Department of Energy

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2023/RA/D2RA07944E

Reference62 articles.

1. Enhancing Gas Solubility in Nanopores: A Combined Study Using Classical Density Functional Theory and Machine Learning

2. The Nanopore Inner Sphere Enhancement Effect on Cation Adsorption: Sodium, Potassium, and Calcium

3. Influence of Nanoconfinement on the pKa of Polyelectrolyte Functionalized Silica Mesopores

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