Spectrophotometric determination of Fe(II) in pharmaceutical multivitamin preparations by azo dye derivatives of pyrocatechol.
Zareba
S
S
Department of Medicinal Chemistry, Medical Academy, Lublin, Poland.
Hopka-a
H
H
D001391:Azo Compounds; D002396:Catechols; D002413:Cations, Divalent; D004396:Coloring Agents; D005296:Ferrous Compounds / Q000032:analysis*; D013054:Spectrophotometry, Atomic; D013056:Spectrophotometry, Ultraviolet; D014815:Vitamins / Q000032:analysis*
D001391:Azo Compounds; D002396:Catechols; D002413:Cations, Divalent; D004396:Coloring Agents; D005296:Ferrous Compounds; D014815:Vitamins; C034221:catechol