Definitions
There is 1 meaning of the phrase
Congo Red.
Congo Red - as a noun
A red-brown azo dye especially as a chemical ph indicator (congo red is red in basic and blue in acidic solutions)
Example Sentences
"The congo red dye gave the fabric a vibrant and intense color."
"The congo red stain on the paper was hard to remove."
"The scientist observed the congo red solution change color when mixed with the chemical."
"The congo red dye was used to visualize the presence of amyloid deposits in the brain."
"The congo red dye is commonly employed in histological staining."
