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Dye Indicators for Acidic or Basic Surface ContaminationApplication of pH-sensitive dye solution serves as test for acidic or basic contamination of critical bonding surface. Aqueous solution of 0.1 percent Direct Red No. 28 capable of indicating acid activating solution down to 10 parts per million on hardware and tooling. Dye did not cause detectable contamination of surface.
Document ID
19830000580
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Lakin, A.
(Rockwell International Corp.)
Schuler, F.
(Rockwell International Corp.)
Date Acquired
August 11, 2013
Publication Date
November 1, 1984
Publication Information
Publication: NASA Tech Briefs
Volume: 8
Issue: 2
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
MFS-19387
Accession Number
83B10580
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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