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Continue to ChatUltrasound-assisted deep eutectic solvent microextraction procedure for traces Ponceau 4R in water and cosmetic samples - https://avesis.erciyes.edu.tr/yayin/5489fa2b-fe05-47c8-9039-b343f6e56ebd/ultrasound-assisted-deep-eutectic-solvent-microextraction-procedure-for-traces-ponceau-4r-in-water-and-cosmetic-samples