Congo red

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congo red

Congo red. n. A brownish-red powder, C 32 H 22 N 6 Na 2 O 6 S 2, used in medicine and as a dye, indicator, and biological stain. Thesaurus Legend: Synonyms Related Words Antonyms
Definition of congo red from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.
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Quick definitions (congo red) ▸ noun: a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
Congo red n. A brownish-red powder, C 32 H 22 N 6 Na 2 O 6 S 2 , used in medicine and as a dye, indicator, and biological
noun Chemistry. a water-soluble powder, C 32 H 22 O 6 N 6 S 2 Na 2, one of the Congo colors that is not acid-fast or lightfast: used chiefly as a dye, biological stain, and
Congo red: Definition and Pronunciation
Con·go red (k ng g) n. An acid dye used as an indicator in testing for free hydrochloric acid in gastric contents, as a laboratory aid in the diagnosis of amyloidosis, and as a
Definition from Wiktionary, a free dictionary
Con·go red: noun : Definition: red or blue dye: a dye that is red in alkaline solutions and blue in acid solutions. Use: chemical indicator, biological stain, dye.

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