Topical Agents | Pharmaceutical Chemistry
Topical Agents: Protective, Antimicrobial, Astringent
Calamine
Calamine IP, USP & BP & Calamine lotion
Calamine Formula: ZaCO3. Zn(OH)2. xFe2O3 (BP) or Zn0. xFe2O3 (USP) Calamine USP Calamine is Zinc Oxide with a small proportion of ferric oxide. Calamine contains not less than 98.0 % and not more than 100.5 % of ZnO, calculated on the ignited basis. Zn0. xFe2O3 Calamine BP As per British Pharmacopoeia (BP), Calamine is basic …