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an organic dye similar in structure and use to methyl orange. It changes from red below pH 4.4 to yellow above pH 6.0 (at 25°C)., happe-aluse indikaator, mida kasutatakse tiitrimisel
metüülpunane . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/met%C3%BC%C3%BClpunane/1/est (12.07.2026)
