Abstract: A HPLC method was developed for the simultaneous determination of six water-soluble vitamins, thiamine (B1), riboflavin (B2), nicotinic acid (B3), pyridoxine (B6), biotin (B7) and folic acid (B9) in milk, human urine and multivitamin pharmaceutical formulations...
Keywords: Cocaine; GC-MS; Liquid-liquid extraction; Validation
Abstract: The application of soluble in water Ionic Liquids (ILs) as alternatives to conventional organic solvents in liquid-liquid extraction of Quercetin (Q) from frozen red onion (Allium cepa L.) was investigated...
Keywords: Quercetin; Extraction from red onion; Ionic liquids; Hydrogen bonding interaction
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