CONGO RED
\kˈɒŋɡə͡ʊ ɹˈɛd], \kˈɒŋɡəʊ ɹˈɛd], \k_ˈɒ_ŋ_ɡ_əʊ ɹ_ˈɛ_d]\
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a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
By Princeton University
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a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
By DataStellar Co., Ltd
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An artificial red dye from which the Congo group received its name. It is also widely used either in aqueous solution or as test paper (Congo paper) for the detection of free acid, which turns it blue.
By Oddity Software
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An artificial red dye from which the Congo group received its name. It is also widely used either in aqueous solution or as test paper (Congo paper) for the detection of free acid, which turns it blue.
By Noah Webster.
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An acid dye used in testing for hydrochloric acid in gastric contents. It is also used histologically to test for AMYLOIDOSIS.
By DataStellar Co., Ltd
By Willam Alexander Newman Dorland
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