title: [Use of densitometry for determination of active components in the drugs. IX. Determination of vitamins B 1, B 2, B 6 and PP in various compounds].
mesh_terms: D003720:Densitometry; D009536:Niacinamide / Q000032:analysis*; D011736:Pyridoxine / Q000032:analysis; D012256:Riboflavin / Q000032:analysis; D013607:Tablets; D013831:Thiamine / Q000032:analysis; D014803:Vitamin B Complex / Q000032:analysis*
chemical_list: D013607:Tablets; D014803:Vitamin B Complex; D009536:Niacinamide; D011736:Pyridoxine; D012256:Riboflavin; D013831:Thiamine
vernacular_title: Zastosowanie pomiarów densytometrycznych do oznaczania składników czynnych w lekach. IX. Oznaczanie witamin B1, B2, B6 i PP w niektórych preparatach złozonych.