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Calcium Free Asbestos for Fuel CellsOrganic-acid salt removes unwanted calcium without weakening asbestos. Asbestos mixed with disodium ethylene diamine tetraacetic acid (disodium EDTA) in water and agitated for 2 hours. After disodium EDTA solution is drained away, asbestos contains only 0.02 to 0.1 percent calcium. Fiber structure of asbestos unaffected.
Document ID
19830000154
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Snitzer, B. A.
(United Technologies Corp.)
Date Acquired
August 11, 2013
Publication Date
October 1, 1983
Publication Information
Publication: NASA Tech Briefs
Volume: 7
Issue: 4
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MSC-20207
Accession Number
83B10154
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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