SEARCH Articles Figures Tables Acid blue membrane Acidic methylene blue test Acids blue litmus testing Blue copper proteins ligands, amino acid sequence Blue litmus paper, acid testing Bromothymol blue, acid-base CI Acid Blue CI Generic Name Colorants Acid Blue Inner Salts of Sulfonic Acids (Alkali Blue Types) Inner salts of sulfonic acids (Alkali Blue Methylene blue electrochemical detection, nucleic acids PACIFIC BLUE (6,8-DIFLUORO-7-HYDROXYCOUMARIN-3-CARBOXYLIC ACID) The Acid that Causes Blue Stains