acidic dyes

a·ci·dic dyes

dyes that ionize in solution to produce negatively charged ions or anions; they consist of sodium salts of phenols and carboxylic acid dyes; their solutions tend to be neutral or slightly alkaline; examples are eosin and aniline blue.

a·ci·dic dyes

(ă-sid'ik dīz)
Dyes that ionize in solution to produce negatively charged ions or anions; they consist of sodium salts of phenols and carboxylic acid dyes; their solutions tend to be neutral or slightly alkaline; examples are eosin and aniline blue.
References in periodicals archive ?
Summary: TEHRAN (FNA)- Researchers at Iran University of Science and Technology succeeded in improving the ability of nanosilica to adsorb acidic dyes by functionalizing porous nanosilica.
Algerian researchers have discovered that orange peel could be used to remove acidic dyes from industrial effluent.
Ion-pairing with acidic dyes under the described conditions is less likely because the carboxy metabolite is a zwitterion.