Meaning Of The Word Congo red

Real Dictionary
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  2. C Words Definitions
  3. Section C-433
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What's the definition of Congo red? Find Congo red meanings, definitions and more at the Real Dictionary online.

Congo red Meaning

Congo red Definition
Congo red Definition

What's The Definition Of Congo red?

Congo red in American English
a sodium salt, C32H22O6N6S2Na2, used for dyeing wool and cotton and as an acid-base indicator: it becomes blue in an acid solution and remains red in an alkaline or neutral solution
noun: a water-soluble powder, C32H22O6N6S2Na2, one of the Congo colors that is not acid-fast or lightfast: used chiefly as a dye, biological stain, and chemical indicator

Congo red in British English
noun: a brownish-red soluble powder, used as a dye, a diagnostic indicator, a biological stain, and a chemical indicator. Formula: C32 H22N6 O6S2Na2

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