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Measuring Trace Hydrocarbons in SilanesTechnique rapid and uses standard analytical equipment. Silane gas containing traces of hydrocarbons injected into carrier gas of moist nitrogen having about 0.2 percent water vapor. Carrier, water and silane pass through short column packed with powdered sodium hydroxide which combines moisture and silane to form nonvolatile sodium silicate. Carrier gas free of silane but containing nonreactive hydrocarbons, pass to silica-gel column where chromatographic separation takes place. Hydrocarbons measured by FID.
Document ID
19830000359
Document Type
Other - NASA Tech Brief
Authors
Lesser, L. A. (Union Carbide Corp.)
Date Acquired
August 11, 2013
Publication Date
April 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 1
ISSN: 0145-319X
Subject Category
MATERIALS
Report/Patent Number
NPO-15273
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.