title: Densitometric determination of impurities in drugs: Part IV. Determination of N-(4-aminobenzoyl)-L-glutamic acid in preparations of folic acid.
authors.affiliation: Department of Inorganic and Analytical Chemistry, Collegium Medicum, Jagiellonian University Cracow, Poland.
authors.forename: J
authors.initials: J
authors.lastname: Krzek
authors.forename: A
authors.initials: A
authors.lastname: Kwiecień
mesh_terms: D064753:Ammonium Hydroxide; D002855:Chromatography, Thin Layer / Q000379:methods; D003720:Densitometry; D005492:Folic Acid / Q000032:analysis* / Q000737:chemistry; D005971:Glutamates / Q000032:analysis*; D006878:Hydroxides / Q000737:chemistry; D004364:Pharmaceutical Preparations / Q000032:analysis*; D013607:Tablets / Q000032:analysis
chemical_list: D005971:Glutamates; D006878:Hydroxides; D004364:Pharmaceutical Preparations; D013607:Tablets; D064753:Ammonium Hydroxide; D005492:Folic Acid; C011398:4-aminobenzoylglutamic acid