acid (SLC), and sodium lauryl sulfate (SLS) were purchased from Sigma
Chemical Company (St. Louis, MO) and used as received. Carbamazepine
dihydrate (CBZD) was prepared by slurrying anhydrous CBZ in deionized
water for 24 h, and solid was obtained through vacuum filtration.
Saccharin (SAC) was purchased from Acros Organics (Pittsburgh, PA)
and used as received. Isopropanol, acetonitrile, methanol, and hydrochloric
acid were purchased from Fisher Scientific (Pittsburgh, PA). Sodium
hydroxide pellets were purchased from J.T. Baker (Philipsburg, NJ).
Water used in this study was filtered through a double deionized purification
system (Milli Q Plus Water System) from Millipore Co. (Bedford, MA).