Combined extraction and paper chromatography of food preservatives.
D001565:Benzoates / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D002854:Chromatography, Paper; D005019:Ethyl Ethers; D005503:Food Additives / Q000032:analysis*; D005519:Food Preservation
D001565:Benzoates; D005019:Ethyl Ethers; D005503:Food Additives