CONTAMINATION OF SILICAS DURING HIGH TEMPERATURE DEGASSING IN VYCOR TUBES.
Abstract
An infrared absorption near 3702/cm was produced if Cab-O-Sil was degassed at 800C in a Vycor cell, and then partially hydrated. The band was not produced with specimens degassed in quartz cells. A variety of experiments lend strong although indirect support to the conclusion that the band was due to surface B-OH groups brought about through the contamination of the silica surface by boron voltailized from the hot Vycor. Similar contamination can be expected to occur with all specimens heated at 800C in Vycor, but the effects of the contamination may not be readily discernible by means of infrared spectra. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 06, 1966
- Accession Number
- AD0638237
Entities
People
- M. J. D. Low
- N. Ramasubramanian
- P. Ramamurthy
Organizations
- Rutgers University Department of Chemistry and Chemical Biology