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 4

Phase ratio of aq : EA ( / ) extraction effect and extraction time effects on absorbance of TC-Au(III) and TC-Hg(II) complexes.
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