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Analysis of anthraquinoid and indigoid dyes used in ancient artistic works by thermally assisted hydrolysis and methylation in the presence of tetramethylammonium hydroxide

Chemical EngineeringAncient Artistic WorksTetramethylammonium HydroxideEngineeringGreen ChemistryOrganic ChemistryIndigoid DyesChemistryDyeingPigment