Answers are grounded in this paper and cite their sources.
A simple procedure for the preparation of amorphous silica containing thiol groups which quantitatively affords sulfonic acid groups has been developed, resulting in site densities and activity for the esterification of acetic acid with methanol greater than a commercial Nafion silica composite.
No takes yet. Share an insight, caveat, or question.
Cano-Serrano et al. (2002) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: