Hu J H, Zhu Y, Xue P H
Department of Pharmacy, Changhai Hospital, Shanghai 200433.
Yao Xue Xue Bao. 1997 Jul;32(7):542-5.
A second order derivative spectrophotometric method was developed for the permeative determination of ketoprofen in vitro. The method can avoid the disturbance of skin tissue. The procedure is simple and rapid. The results are accurate. The mean recovery of ketoprofen is 99.00% +/- 1.51%.