Meaning Of The Word Congo red
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 |
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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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