Determination of benzoic and salicylic acid in whitfield’s ointment by derivative spectrophotometry

• In: Laboratory and Medicines Control Services Section - Poster Session
• At: Cairo (Egypt) (2005)
• Type: Poster
• Poster code: LMCS-P-006
• By: DZIKNIC, Olivera (Pharmacy Institution Belgrade, Laboratory for Quality Control, Belgrade, Yugoslavia)
• Co-author(s): Dziknic (Pharmacy Institution Belgrade, BELGRADE, Serbia and Montenegro)
  Zoric (Pharmacy Institution Belgrade, BELGRADE, Serbia and Montenegro)
  Milovanovic (Pharmacy Institution Belgrade, BELGRADE, Serbia and Montenegro)
  
• Abstract:

  Whitfield’s Ointment contained 6% benzoic and 3% salicylic acid. Benzoic acid has a long history of use as an antifungal. Salicylic acid also possesses fungicidal properties and is used topically in the treatment of fungal skin infections.
  
  A second-order derivative spectrophotometric method was suggested for the simultaneus determination of..

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