Research Article

Determination of Tetracycline in Pharmaceutical Preparation by Molecular and Atomic Absorption Spectrophotometry and High Performance Liquid Chromatography via Complex Formation with Au(III) and Hg(II) Ions in Solutions

Figure 5

The mole ratio curves for the formation of (a) TC-Au(III) and (b) TC-Hg(II) complexes in solutions at optimum conditions.
305124.fig.005a
(a)
305124.fig.005b
(b)