Figure 2From: Spectrophotometric determination of tizanidine and orphenadrine via ion pair complex formation using eosin YContinuous variation plots for the ion association complexes. (A) Tizanidine hydrochloride (1.5 × 10-3 M) with eosin Y (1.5 × 10-3 M). (B) Orphenadrine citrate (1 × 10-3 M) with eosin Y (1 × 10-3 M).Back to article page