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Congo red
Definition:
The sodium salt of benzidinediazo-bis-1-naphthylamine-4-sulfonic acid; a diazo dye that is red in alkaline solution and blue in acid solution and used especially as an indicator and as a biological stain.
Concept Schemes:
NALT Full
Broader Concept:
Entry Terms:
- Congo red dye
URI:
https://lod.nal.usda.gov/nalt/289330
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RDF/XMLCreated 2017-01-05, last modified 2017-11-10