Chemisorption sites for ammonia on fluorinated porous silica glass

N. W. Cant*, L. H. Little

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Citations (Scopus)


Fluorination of porous silica glass led to an increase in the number of adsorption sites which coordinate ammonia. Evacuation of fluorinated and unfluorinated glass at temperatures of approximately 650 °C for 2-3 hr produced a surface which coordinated ammonia molecules, with little evidence of their dissociation. Other studies have shown that after evacuation under more severe conditions, silica glass adsorbed ammonia with much dissociation and with the production of primary and secondary amine radicals.

Original languageEnglish
Pages (from-to)134-139
Number of pages6
JournalJournal of Catalysis
Issue number2
Publication statusPublished - Oct 1968

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